#include <stdio.h> int main() { int i,n,x,a; scanf("%d",&n); getchar(); for(i=1;i<=n;i++) { int car[20000]; a=(0); for(x=1;x<i;x++) { if(i%x==0) { car[a]=x; a++; } }

  int b=0,x2=0,x3=0;
  for(x2=0;x2<a;x2++)      
  {
     b+=car[x2];
  }


  if(b==i)
  {
    printf("%d its factors are ",i);
    for(x3=0;x3<a;x3++)
    {
    printf("%d ",car[x3]);
    }
    printf("\n");
  }

}

}