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Re:这题有解题报告没In Reply To:这题有解题报告没 Posted by:zfy0701 at 2008-06-29 21:15:41 > 我是用分解质因子 + dfs的,很慢很慢 > 希望知道更好的做法 Let the prime factorization of $N$ be , the answer is . Followed by:
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