161690008

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{78643}}^1$

素因数の和:78906

約数の個数: 16

約数和(自身を含む): 304352280

約数和(自身を除く): 142662272

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 78643, 157286, 314572, 629144, 20211251, 40422502, 80845004, 161690008]

約数ペア:

[(1, 161690008), (2, 80845004), (4, 40422502), (8, 20211251), (257, 629144), (514, 314572), (1028, 157286), (2056, 78643)]