67818335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2551}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 87890880

約数和(自身を除く): 20072545

約数列:

[1, 5, 13, 65, 409, 2045, 2551, 5317, 12755, 26585, 33163, 165815, 1043359, 5216795, 13563667, 67818335]

約数ペア:

[(1, 67818335), (5, 13563667), (13, 5216795), (65, 1043359), (409, 165815), (2045, 33163), (2551, 26585), (5317, 12755)]