#include <stdio.h>

int main()
{
  int i, j, a, run;
  scanf("%d\n",&run);
  for(i = 0; i < run; i++)
  {
      scanf("%d",&a);
      printf("Case %d:",i + 1);
      for(j = 1; j <= a; j++)
      {
          if(a % j == 0)
               printf(" %d",j);
      }
      printf("\n");
  }
  return 0;
}