85780331

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 108055584

約数和(自身を除く): 22275253

約数列:

[1, 7, 13, 49, 91, 311, 433, 637, 2177, 3031, 4043, 5629, 15239, 21217, 28301, 39403, 134663, 198107, 275821, 942641, 1750619, 6598487, 12254333, 85780331]

約数ペア:

[(1, 85780331), (7, 12254333), (13, 6598487), (49, 1750619), (91, 942641), (311, 275821), (433, 198107), (637, 134663), (2177, 39403), (3031, 28301), (4043, 21217), (5629, 15239)]