81921674

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:830

約数の個数: 24

約数和(自身を含む): 131268288

約数和(自身を除く): 49346614

約数列:

[1, 2, 17, 34, 271, 289, 523, 542, 578, 1046, 4607, 8891, 9214, 17782, 78319, 141733, 151147, 156638, 283466, 302294, 2409461, 4818922, 40960837, 81921674]

約数ペア:

[(1, 81921674), (2, 40960837), (17, 4818922), (34, 2409461), (271, 302294), (289, 283466), (523, 156638), (542, 151147), (578, 141733), (1046, 78319), (4607, 17782), (8891, 9214)]