亲和数

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#include <iostream> using namespace std; int yinzizhihe(int a){     int b = 0;     for(int i = 1;i<a;i++){         if(a%i==0){             b = b+i;         }     }     return b; } int main(){     int a = 4;     int sum1 = 0;     int b = 0;     while(1){         b = yinzizhihe(a);         sum1 = yinzizhihe(b);         if(a==sum1 && b!=sum1){             cout<<a<<" "<<b;             break;         }         a++;     }     return 0; }