81208589

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2447}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 101523456

約数和(自身を除く): 20314867

約数列:

[1, 7, 11, 77, 431, 2447, 3017, 4741, 17129, 26917, 33187, 188419, 1054657, 7382599, 11601227, 81208589]

約数ペア:

[(1, 81208589), (7, 11601227), (11, 7382599), (77, 1054657), (431, 188419), (2447, 33187), (3017, 26917), (4741, 17129)]