248509009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{28607}}^1$

素因数の和:28704

約数の個数: 16

約数和(自身を含む): 304846848

約数和(自身を除く): 56337839

約数列:

[1, 7, 17, 73, 119, 511, 1241, 8687, 28607, 200249, 486319, 2088311, 3404233, 14618177, 35501287, 248509009]

約数ペア:

[(1, 248509009), (7, 35501287), (17, 14618177), (73, 3404233), (119, 2088311), (511, 486319), (1241, 200249), (8687, 28607)]