81800168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{538159}}^1$

素因数の和:538184

約数の個数: 16

約数和(自身を含む): 161448000

約数和(自身を除く): 79647832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 538159, 1076318, 2152636, 4305272, 10225021, 20450042, 40900084, 81800168]

約数ペア:

[(1, 81800168), (2, 40900084), (4, 20450042), (8, 10225021), (19, 4305272), (38, 2152636), (76, 1076318), (152, 538159)]