81905186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{10729}}^1$

素因数の和:11089

約数の個数: 16

約数和(自身を含む): 134425440

約数和(自身を除く): 52520254

約数列:

[1, 2, 11, 22, 347, 694, 3817, 7634, 10729, 21458, 118019, 236038, 3722963, 7445926, 40952593, 81905186]

約数ペア:

[(1, 81905186), (2, 40952593), (11, 7445926), (22, 3722963), (347, 236038), (694, 118019), (3817, 21458), (7634, 10729)]