81633812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22111}}^1$

素因数の和:22199

約数の個数: 24

約数和(自身を含む): 156022272

約数和(自身を除く): 74388460

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 22111, 44222, 88444, 287443, 574886, 1149772, 1569881, 3139762, 6279524, 20408453, 40816906, 81633812]

約数ペア:

[(1, 81633812), (2, 40816906), (4, 20408453), (13, 6279524), (26, 3139762), (52, 1569881), (71, 1149772), (142, 574886), (284, 287443), (923, 88444), (1846, 44222), (3692, 22111)]