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Time Limit: 3 s Memory Limit: 64 MB Total points: 100

#12848. GCD 树

Statistics

Teacher Mai 有一个包含 $n$ 个顶点的图,顶点编号从 $1$ 到 $n$。对于每一条边 $(u, v)$,其权重为 $\gcd(u, v)$($\gcd(u, v)$ 表示 $u$ 和 $v$ 的最大公约数)。

你需要找到一个边集,使其构成一棵包含所有顶点的生成树,并使得树中所有边的权重之和最大。输出该最大权重和。

输入格式

第一行包含一个整数 $T$ ($1 \le T \le 10^5$),表示测试用例的数量。

对于每个测试用例,仅包含一行,为一个整数 $n$ ($1 \le n \le 10^5$)。

输出格式

对于每个测试用例,输出一个整数,表示答案。

样例

输入 1

5
1
2
3
4
5

输出 1

0
1
2
4
5

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