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楼主正解

Posted by 15914304086 at 2012-09-23 03:23:10 on Problem 1528
In Reply To:小心1哦 Posted by:duyunfei at 2008-07-17 11:10:57 
> 在求因子和是不能算上自身，所以在处理1时，和就是为0的
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