639936737279

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{26177}}^1\times {\mathrm{205433}}^1$

素因数の和:231634

約数の個数: 16

約数和(自身を含む): 774410580288

約数和(自身を除く): 134473843009

約数列:

[1, 7, 17, 119, 26177, 183239, 205433, 445009, 1438031, 3115063, 3492361, 24446527, 5377619641, 37643337487, 91419533897, 639936737279]

約数ペア:

[(1, 639936737279), (7, 91419533897), (17, 37643337487), (119, 5377619641), (26177, 24446527), (183239, 3492361), (205433, 3115063), (445009, 1438031)]