71997545

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 87555600

約数和(自身を除く): 15558055

約数列:

[1, 5, 149, 241, 401, 745, 1205, 2005, 35909, 59749, 96641, 179545, 298745, 483205, 14399509, 71997545]

約数ペア:

[(1, 71997545), (5, 14399509), (149, 483205), (241, 298745), (401, 179545), (745, 96641), (1205, 59749), (2005, 35909)]