#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <string>
#include <algorithm>
#include <iostream>
using namespace std;
#define ll long long

const double eps=1e-8;
const ll inf=1e9;
const ll mod=1e9+7;
const int maxn=1e5+10;

int f[1000];

int main()
{
    int t,v,g,ans,vv,i;
    scanf("%d",&t);
    while (t--)
    {
        scanf("%d",&v);
        ans=0;
        vv=v;
        while (vv)
        {
            ans+=vv%10;
            vv/=10;
        }
        g=0;
        for (i=1;i<=ans;i++)
            if (v%i==0 && ans%i==0)
                f[++g]=i;
        printf("%d\n",g);
        for (i=1;i<=g;i++)
            printf("%d%c",f[i],i==g?'\n':' ');
    }
    return 0;
}