#include<iostream>
#include<algorithm>
#include<cstring>
#include<cstdio>
#include<cmath>
#include<queue>
#include<map>
#include<cstdlib>
#include<string>
#include<functional>
#include<list>
#include<stack>
using namespace std;
int cnt=0, a[10000010];
int main()
{
    //freopen("in.txt", "r", stdin);
    int t;
    cin >> t;
    while (t--)
    {
        cnt = 0;
        int v;
        cin >> v;
        int num = 0;
        int tmp = v;
        while (tmp) {
            num += tmp % 10;
            tmp /= 10;
        }
        for(int i=1;i<=num;i++)
            if (v%i == 0 && num%i == 0) 
                a[cnt++] = i;
        cout << cnt << endl;
        for (int i = 0;i < cnt;i++)
        {
            if (i == cnt - 1) {
                cout << a[i];
                break;
            }
            cout << a[i] << " ";
        }
        cout << endl;
    }
    return 0;
}