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friendly number中文是什么意思

发音:  
用"friendly number"造句"friendly number"怎么读"friendly number" in a sentence

中文翻译手机手机版

  • 孤独数

例句与用法

  • On a simple mothod for the solutions of friendly number pairs
    关于友好数对的一个简短求法
用"friendly number"造句  

百科解释

In number theory, friendly numbers are two or more natural numbers with a common abundancy, the ratio between the sum of divisors of a number and the number itself. Two numbers with the same abundancy form a friendly pair; n numbers with the same abundancy form a friendly n-tuple.
详细百科解释
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