639452737

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{80627}}^1$

素因数の和:80748

約数の個数: 16

約数和(自身を含む): 804989952

約数和(自身を除く): 165537215

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 80627, 564389, 886897, 6208279, 8304581, 58132067, 91350391, 639452737]

約数ペア:

[(1, 639452737), (7, 91350391), (11, 58132067), (77, 8304581), (103, 6208279), (721, 886897), (1133, 564389), (7931, 80627)]