abundant number An integer that is smaller than the sum of its positive divisors, not including itself, For example, 12 is divisible by 1, 2, 3, 4, and 6, and 1 + 2 + 3 + 4 + 6 = 16 > 12. See deficient number, perfect number.
abundant number
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。