28857143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12763}}^1$

素因数の和:12806

約数の個数: 16

約数和(自身を含む): 36760320

約数和(自身を除く): 7903177

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12763, 89341, 216971, 242497, 1518797, 1697479, 4122449, 28857143]

約数ペア:

[(1, 28857143), (7, 4122449), (17, 1697479), (19, 1518797), (119, 242497), (133, 216971), (323, 89341), (2261, 12763)]