81393335

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{2029}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 99973440

約数和(自身を除く): 18580105

約数列:

[1, 5, 71, 113, 355, 565, 2029, 8023, 10145, 40115, 144059, 229277, 720295, 1146385, 16278667, 81393335]

約数ペア:

[(1, 81393335), (5, 16278667), (71, 1146385), (113, 720295), (355, 229277), (565, 144059), (2029, 40115), (8023, 10145)]