257800228

素因数分解:

$2^2\times 7^1\times {\mathrm{9207151}}^1$

素因数の和:9207162

約数の個数: 12

約数和(自身を含む): 515600512

約数和(自身を除く): 257800284

約数列:

[1, 2, 4, 7, 14, 28, 9207151, 18414302, 36828604, 64450057, 128900114, 257800228]

約数ペア:

[(1, 257800228), (2, 128900114), (4, 64450057), (7, 36828604), (14, 18414302), (28, 9207151)]