72571205

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 102080160

約数和(自身を除く): 29508955

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 973, 2131, 4865, 6811, 10655, 14917, 34055, 74585, 104419, 296209, 522095, 1481045, 2073463, 10367315, 14514241, 72571205]

約数ペア:

[(1, 72571205), (5, 14514241), (7, 10367315), (35, 2073463), (49, 1481045), (139, 522095), (245, 296209), (695, 104419), (973, 74585), (2131, 34055), (4865, 14917), (6811, 10655)]