81917666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{9431}}^1$

素因数の和:9577

約数の個数: 16

約数和(自身を含む): 126992448

約数和(自身を除く): 45074782

約数列:

[1, 2, 43, 86, 101, 202, 4343, 8686, 9431, 18862, 405533, 811066, 952531, 1905062, 40958833, 81917666]

約数ペア:

[(1, 81917666), (2, 40958833), (43, 1905062), (86, 952531), (101, 811066), (202, 405533), (4343, 18862), (8686, 9431)]