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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n,b,i;
  5. 		for(n=2;n<=10000;n++){
  6. 			b=1;
  7. 			for(i=2;i<n;i++){
  8. 				if(n%i==0){
  9. 					b=b+i;
  10. 				}
  11. 			}
  12. 		if(n==b){
  13. 				printf("%d is a perfect number\n",n);
  14. 			}	
  15. 		}
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0.17s 5316KB
comments (?)
stdin
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Standard input is empty
stdout
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6 is a perfect number
28 is a perfect number
496 is a perfect number
8128 is a perfect number
https://ideone.com/kRzL8L
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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