81271835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{5449}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 103332000

約数和(自身を除く): 22060165

約数列:

[1, 5, 19, 95, 157, 785, 2983, 5449, 14915, 27245, 103531, 517655, 855493, 4277465, 16254367, 81271835]

約数ペア:

[(1, 81271835), (5, 16254367), (19, 4277465), (95, 855493), (157, 517655), (785, 103531), (2983, 27245), (5449, 14915)]