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#include <fstream>
using namespace std;
const int VMAX = 1e5;
int e[VMAX+1];
void euler()
{
for (int i = 2; i <= VMAX; i++)
{
e[i] = i;
}
for (int i = 2; i <= VMAX; i++)
{
if (e[i] == i)
{
for (int mult = i; mult <= VMAX; mult += i)
{
e[mult] = e[mult] / i * (i - 1);
}
}
}
}
int main()
{
euler();
ifstream in("sum.in");
ofstream out("sum.out");
int n;
in >> n;
for (int i = 0; i < n; i++)
{
int x;
in >> x;
out << 2LL * x * e[x] << "\n";
}
in.close();
out.close();
return 0;
}