28996457

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 33825792

約数和(自身を除く): 4829335

約数列:

[1, 7, 103, 131, 307, 721, 917, 2149, 13493, 31621, 40217, 94451, 221347, 281519, 4142351, 28996457]

約数ペア:

[(1, 28996457), (7, 4142351), (103, 281519), (131, 221347), (307, 94451), (721, 40217), (917, 31621), (2149, 13493)]