81354715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43159}}^1$

素因数の和:43206

約数の個数: 16

約数和(自身を含む): 108763200

約数和(自身を除く): 27408485

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 43159, 215795, 561067, 1251611, 2805335, 6258055, 16270943, 81354715]

約数ペア:

[(1, 81354715), (5, 16270943), (13, 6258055), (29, 2805335), (65, 1251611), (145, 561067), (377, 215795), (1885, 43159)]