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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int i, j, k, a, b;
  5.  
  6.     // 外側ループ
  7.     for (a = 3; a <= 1500; a++) {
  8.         for (i = 1, j = 0; i < a; i++) {
  9.             if (a % i == 0) {
  10.                 j += i;
  11.             }
  12.         }
  13.  
  14.         for (b = 2; b < a; b++) {
  15.             for (i = 1, k = 0; i < b; i++) {
  16.                 if (b % i == 0) {
  17.                     k += i;
  18.                 }
  19.             }
  20.  
  21.             if (j == b && k == a) {
  22.                 printf("%d: 1", a);
  23.                 for (i = 2; i < a; i++) {
  24.                     if (a % i == 0) {
  25.                         printf(", %d", i);
  26.                     }
  27.                 }
  28.                 printf("\n%d: 1", b);
  29.                 for (i = 2; i < b; i++) {
  30.                     if (b % i == 0) {
  31.                         printf(", %d", i);
  32.                     }
  33.                 }
  34.                 printf("\n");
  35.             }
  36.         }
  37.     }
  38.  
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 1.78s 5272KB
comments (?)
stdin
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Standard input is empty
stdout
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284: 1, 2, 4, 71, 142
220: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110
1210: 1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605
1184: 1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592
https://ideone.com/2mmlF6
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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