639590442874

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{4397}}^1\times {\mathrm{365479}}^1$

素因数の和:370077

約数の個数: 16

約数和(自身を含む): 964428624000

約数和(自身を除く): 324838181126

約数列:

[1, 2, 199, 398, 4397, 8794, 365479, 730958, 875003, 1750006, 72730321, 145460642, 1607011163, 3214022326, 319795221437, 639590442874]

約数ペア:

[(1, 639590442874), (2, 319795221437), (199, 3214022326), (398, 1607011163), (4397, 145460642), (8794, 72730321), (365479, 1750006), (730958, 875003)]