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

#define reg register
typedef long long ll;
#define rep(i,a,b) for(reg int i=a,i##end=b;i<=i##end;++i)
#define drep(i,a,b) for(reg int i=a,i##end=b;i>=i##end;--i)

char IO;
int rd(){
    int s=0,f=0;
    while(!isdigit(IO=getchar())) if(IO=='-') f=1;
    do s=(s<<1)+(s<<3)+(IO^'0');
    while(isdigit(IO=getchar()));
    return f?-s:s;
}

const int N=4e5+10;
int n;

int a[N];


int main(){
    rep(kase,1,rd()) {
        n=rd();
        int cnt=0;
        int t=n,c=0;
        while(t) c+=t%10,t/=10;
        rep(i,1,c) {
            if(n%i==0&&c%i==0) a[++cnt]=i;
        }
        printf("%d\n",cnt);
        rep(i,1,cnt) printf("%d%c",a[i],i==cnt?'\n':' ');
    }
}