80890028

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 143216640

約数和(自身を除く): 62326612

約数列:

[1, 2, 4, 191, 239, 382, 443, 478, 764, 886, 956, 1772, 45649, 84613, 91298, 105877, 169226, 182596, 211754, 338452, 423508, 20222507, 40445014, 80890028]

約数ペア:

[(1, 80890028), (2, 40445014), (4, 20222507), (191, 423508), (239, 338452), (382, 211754), (443, 182596), (478, 169226), (764, 105877), (886, 91298), (956, 84613), (1772, 45649)]