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
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