#include<cstdio>
using namespace std;
int i,n,x,j;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    n=100000;
    int v[n];
    for(i=2;i<=n;++i)
        v[i]=i;
    for(i=2;i<=n;++i)
        if(v[i]==i)
            for(j=i;j<=n;j+=i)
                v[j]=v[j]/i*(i-1);
            scanf("%d",&n);
            while(n--){scanf("%d",&x);printf("%lld\n",1LL*x*2*v[x]);}
            return 0;
}