1 #include <iostream> 2 using namespace std; 3  4 int main() { 5     int k; 6     while (scanf("%d", &k) == 1) { 7         int num = 0, a[1000], b[1000]; 8         for (int y = k + 1; y <= 2 * k; y++) 9             if ((y * k) % (y - k) == 0) {10                 a[num] = (y * k) / (y - k);11                 b[num] = y;12                 num++;13             }14         printf("%d\n", num);15         for (int i = 0; i < num; i++)16             printf("1/%d = 1/%d + 1/%d\n", k, a[i], b[i]);17     }18     return 0;19 }