#include<stdio.h> int main() { int i,j,m,n,s1,s2; scanf("%d%d",&m,&n); for(i=m;i<=n;i++) { s1=s2=0; for(j=1;j<=i/2;j++) if(i%j==0) s1+=j; for(j=1;j<=s1/2;j++) if(s1%j==0) s2+=j; if(s2==i&&i<s1&&s1<=n) printf("%d %d\n",i,s1); } return 0; } |
Double click to view unformatted code.