91991599

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{2221}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 108006976

約数和(自身を除く): 16015377

約数列:

[1, 7, 61, 97, 427, 679, 2221, 5917, 15547, 41419, 135481, 215437, 948367, 1508059, 13141657, 91991599]

約数ペア:

[(1, 91991599), (7, 13141657), (61, 1508059), (97, 948367), (427, 215437), (679, 135481), (2221, 41419), (5917, 15547)]