12912115

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 16416000

約数和(自身を除く): 3503885

約数列:

[1, 5, 19, 95, 199, 683, 995, 3415, 3781, 12977, 18905, 64885, 135917, 679585, 2582423, 12912115]

約数ペア:

[(1, 12912115), (5, 2582423), (19, 679585), (95, 135917), (199, 64885), (683, 18905), (995, 12977), (3415, 3781)]