#include <bits/stdc++.h>
using namespace std;

int T;
long long v;

int main() {
    cin >> T;
    while(T--) {
        cin >> v;
        long long  sum = 0, tt = v;
        while(tt) {
            sum += tt % 10;
            tt /= 10;
        }
        vector<int> ans;
        for(int i = 1; i <= sum; ++i) {
            if(v % i == 0 && sum % i == 0) {
                ans.emplace_back(i);
            }
        }

        cout << ans.size() << endl;
        for(int i = 0; i < ans.size(); ++i) {
            cout << ans[i];
            if(i == ans.size() - 1) {
                cout << endl;
            }
            else {
                cout << " ";
            }
        }

    }
    return 0;
}