25640951

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 29952000

約数和(自身を除く): 4311049

約数列:

[1, 7, 79, 199, 233, 553, 1393, 1631, 15721, 18407, 46367, 110047, 128849, 324569, 3662993, 25640951]

約数ペア:

[(1, 25640951), (7, 3662993), (79, 324569), (199, 128849), (233, 110047), (553, 46367), (1393, 18407), (1631, 15721)]