英语词汇“perfect number”是什么意思，“perfect number”的读音、用法及例句翻译-烛光网

词汇	perfect number
释义	perfect numbern.Mathematics（名词）【数学】 A positive integer that is equal to the sum of its integral factors, including 1 but excluding itself.完全部：一种整数，包括1在内但本身除外的所有因子和等于它本身
随便看	revetted revetting review review reviewer revile revile reviled reviles reviling Revillagigedo Islands revisal revisals revise revise revised Revised Standard Version Revised Version revises revising revision revision revisionism revisionisms revisions

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