81812549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{16963}}^1$

素因数の和:17036

約数の個数: 16

約数和(自身を含む): 102598272

約数和(自身を除く): 20785723

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 16963, 118741, 220519, 899039, 1543633, 6293273, 11687507, 81812549]

約数ペア:

[(1, 81812549), (7, 11687507), (13, 6293273), (53, 1543633), (91, 899039), (371, 220519), (689, 118741), (4823, 16963)]