81951541

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5653}}^1$

素因数の和:5788

約数の個数: 16

約数和(自身を含む): 99510400

約数和(自身を除く): 17558859

約数列:

[1, 7, 19, 109, 133, 763, 2071, 5653, 14497, 39571, 107407, 616177, 751849, 4313239, 11707363, 81951541]

約数ペア:

[(1, 81951541), (7, 11707363), (19, 4313239), (109, 751849), (133, 616177), (763, 107407), (2071, 39571), (5653, 14497)]