641570253655

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{399731}}^1\times {\mathrm{11069}}^1$

素因数の和:410834

約数の個数: 16

約数和(自身を含む): 796505983200

約数和(自身を除く): 154935729545

約数列:

[1, 5, 29, 145, 11069, 55345, 321001, 399731, 1605005, 1998655, 11592199, 57960995, 4424622439, 22123112195, 128314050731, 641570253655]

約数ペア:

[(1, 641570253655), (5, 128314050731), (29, 22123112195), (145, 4424622439), (11069, 57960995), (55345, 11592199), (321001, 1998655), (399731, 1605005)]