英语词汇perfect number怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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	thanatology thanatopsis Thanatos Thanatoses thane Thane thanes Thanet thank thanked thankful thankfuller thankfullest thanking thankless thanks corneas corned Corneille corneitis corneitises cornel cornelian cornelian cherry cornelians

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。