1993745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 2649360

約数和(自身を除く): 655615

約数列:

[1, 5, 13, 37, 65, 185, 481, 829, 2405, 4145, 10777, 30673, 53885, 153365, 398749, 1993745]

約数ペア:

[(1, 1993745), (5, 398749), (13, 153365), (37, 53885), (65, 30673), (185, 10777), (481, 4145), (829, 2405)]