398729279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{2131}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 442347360

約数和(自身を除く): 43618081

約数列:

[1, 13, 37, 389, 481, 2131, 5057, 14393, 27703, 78847, 187109, 828959, 1025011, 10776467, 30671483, 398729279]

約数ペア:

[(1, 398729279), (13, 30671483), (37, 10776467), (389, 1025011), (481, 828959), (2131, 187109), (5057, 78847), (14393, 27703)]