#include <stdio.h>
#include <math.h>
 
#define MAX_NUM 1000000
int main(void) {
  unsigned int i, j;
  unsigned int num;
  unsigned int sum[MAX_NUM+1]={};
 
  for (num = 1; num <= MAX_NUM ; ++num) {
    sum[num] = 1;
    for( i = 2; i < sqrt(num); ++i) {
      if( (num % i) == 0) {
        sum[num] += i;
        sum[num] += num / i;
      }
    }
    if ( num == i*i) {
      sum[num] += i;
    }
  }
 
  printf("Eden numbers are {2");
  for (i = 3; i <= sqrt(MAX_NUM); ++i ) {
  	for(j = 1; j <= MAX_NUM; j++) {
  		if(i == sum[j]) {
        break;
  		}
  	}
 
  	if(MAX_NUM < j) {
  		printf(", %u", i);
  	}
  }
  printf("}\n");
 
  return 0;
}
 

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