1720426838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{208739}}^1$

素因数の和:209071

約数の個数: 16

約数和(自身を含む): 2787931440

約数和(自身を除く): 1067504602

約数列:

[1, 2, 13, 26, 317, 634, 4121, 8242, 208739, 417478, 2713607, 5427214, 66170263, 132340526, 860213419, 1720426838]

約数ペア:

[(1, 1720426838), (2, 860213419), (13, 132340526), (26, 66170263), (317, 5427214), (634, 2713607), (4121, 417478), (8242, 208739)]