81319745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{14057}}^1$

素因数の和:14164

約数の個数: 16

約数和(自身を含む): 106278480

約数和(自身を除く): 24958735

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 14057, 70285, 182741, 913705, 1251073, 6255365, 16263949, 81319745]

約数ペア:

[(1, 81319745), (5, 16263949), (13, 6255365), (65, 1251073), (89, 913705), (445, 182741), (1157, 70285), (5785, 14057)]