28429751

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 6000073

約数列:

[1, 7, 43, 49, 103, 131, 301, 721, 917, 2107, 4429, 5047, 5633, 6419, 13493, 31003, 39431, 94451, 217021, 276017, 580199, 661157, 4061393, 28429751]

約数ペア:

[(1, 28429751), (7, 4061393), (43, 661157), (49, 580199), (103, 276017), (131, 217021), (301, 94451), (721, 39431), (917, 31003), (2107, 13493), (4429, 6419), (5047, 5633)]