#include<cstdio>
using namespace std;
int v[100005];
void ciur(int x)
{
    for(int i=2;i<=x;++i)
    {
        if(v[i]==0)
        {
            for(int j=2*i;j<=x;j=j+i)
            {
                if(v[j]==0)
                v[j]=(j/i)*(i-1);
                else
                v[j]=(v[j]/i)*(i-1);
            }
            v[i]=i-1;
        }
    }
}

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n,x,i;
    scanf("%d",&n);
    ciur(100000);
    for(i=1;i<=n;++i)
    {
        scanf("%d",&x);
        printf("%d\n",2*x*v[x]);
    }
    return 0;
}