81410428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{2351}}^1$

素因数の和:3153

約数の個数: 24

約数和(自身を含む): 155683584

約数和(自身を除く): 74273156

約数列:

[1, 2, 4, 11, 22, 44, 787, 1574, 2351, 3148, 4702, 8657, 9404, 17314, 25861, 34628, 51722, 103444, 1850237, 3700474, 7400948, 20352607, 40705214, 81410428]

約数ペア:

[(1, 81410428), (2, 40705214), (4, 20352607), (11, 7400948), (22, 3700474), (44, 1850237), (787, 103444), (1574, 51722), (2351, 34628), (3148, 25861), (4702, 17314), (8657, 9404)]