81286634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{21863}}^1$

素因数の和:21902

約数の個数: 24

約数和(自身を含む): 144040032

約数和(自身を除く): 62753398

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 21863, 43726, 240493, 284219, 480986, 568438, 3126409, 3694847, 6252818, 7389694, 40643317, 81286634]

約数ペア:

[(1, 81286634), (2, 40643317), (11, 7389694), (13, 6252818), (22, 3694847), (26, 3126409), (143, 568438), (169, 480986), (286, 284219), (338, 240493), (1859, 43726), (3718, 21863)]