3891865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 4993920

約数和(自身を除く): 1102055

約数列:

[1, 5, 19, 71, 95, 355, 577, 1349, 2885, 6745, 10963, 40967, 54815, 204835, 778373, 3891865]

約数ペア:

[(1, 3891865), (5, 778373), (19, 204835), (71, 54815), (95, 40967), (355, 10963), (577, 6745), (1349, 2885)]