89906479

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^2$

素因数の和:319

約数の個数: 18

約数和(自身を含む): 101267808

約数和(自身を除く): 11361329

約数列:

[1, 13, 31, 131, 169, 403, 1703, 4061, 5239, 17161, 22139, 52793, 223093, 531991, 686309, 2900209, 6915883, 89906479]

約数ペア:

[(1, 89906479), (13, 6915883), (31, 2900209), (131, 686309), (169, 531991), (403, 223093), (1703, 52793), (4061, 22139), (5239, 17161)]