Home›Divisor function›superperfect number🌐EnglishEnglishDeutschFrançaisSvenskaРусскийفارسی한국어中文日本語EntityQ1164125· pop 13· linked from 229 articlessuperperfect numberpositive integer which equals half of the sum of the divisors of the sum of its divisorsAvailable in 13 languagesFrançaisDeutsch中文日本語Русскийfiu_vroGalicianHungarianSvenskaUkrainianConnectionsprime numberEntityparityEntityCategoriesDivisor functionInteger sequencesUnsolved problems in number theory