85721578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{16229}}^1$

素因数の和:16389

約数の個数: 16

約数和(自身を含む): 136332000

約数和(自身を除く): 50610422

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 16229, 32458, 308351, 616702, 2255831, 4511662, 42860789, 85721578]

約数ペア:

[(1, 85721578), (2, 42860789), (19, 4511662), (38, 2255831), (139, 616702), (278, 308351), (2641, 32458), (5282, 16229)]