81274435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{3613}}^1$

素因数の和:4038

約数の個数: 16

約数和(自身を含む): 106685280

約数和(自身を除く): 25410845

約数列:

[1, 5, 11, 55, 409, 2045, 3613, 4499, 18065, 22495, 39743, 198715, 1477717, 7388585, 16254887, 81274435]

約数ペア:

[(1, 81274435), (5, 16254887), (11, 7388585), (55, 1477717), (409, 198715), (2045, 39743), (3613, 22495), (4499, 18065)]