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[数论] 复习一下数论基础,正因数之和公式

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kuing Posted 2015-7-30 23:37 |Read mode
来自某教师群
汕头王老师(1253*****)  19:34:11
兄弟姐妹们,6000的正因数之和,怎么求

广州kuing(249533164)  21:45:47
QQ图片20150730233646.png
应该没错吧……

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isee Posted 2015-7-31 10:24
记不住这个。。

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 Author| kuing Posted 2015-7-31 11:46
回复 2# isee

我也是临时推的,怕忘了,所以才转过来这里

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hejoseph Posted 2015-7-31 15:01
就是这个公式

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