140845895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{13681}}^1$

素因数の和:13786

約数の個数: 16

約数和(自身を含む): 177318720

約数和(自身を除く): 36472825

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 13681, 68405, 396749, 971351, 1983745, 4856755, 28169179, 140845895]

約数ペア:

[(1, 140845895), (5, 28169179), (29, 4856755), (71, 1983745), (145, 971351), (355, 396749), (2059, 68405), (10295, 13681)]