28633787

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 7755013

約数列:

[1, 7, 13, 49, 79, 91, 553, 569, 637, 1027, 3871, 3983, 7189, 7397, 27881, 44951, 50323, 51779, 314657, 362453, 584363, 2202599, 4090541, 28633787]

約数ペア:

[(1, 28633787), (7, 4090541), (13, 2202599), (49, 584363), (79, 362453), (91, 314657), (553, 51779), (569, 50323), (637, 44951), (1027, 27881), (3871, 7397), (3983, 7189)]