• https://www.luogu.com.cn/blog/froggy/solution-uva294

• https://www.luogu.com.cn/blog/EasonBlog1/solution-uva294

以上题解无法通过以下 Hack 数据。

1
1000000007 1000000007

这两篇题解均输出：

Between 1000000007 and 1000000007, 1000000007 has a maximum of 1 divisors.

正确输出：

Between 1000000007 and 1000000007, 1000000007 has a maximum of 2 divisors.