257060048

素因数分解:

$2^4\times 7^1\times {\mathrm{2295179}}^1$

素因数の和:2295194

約数の個数: 20

約数和(自身を含む): 569204640

約数和(自身を除く): 312144592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2295179, 4590358, 9180716, 16066253, 18361432, 32132506, 36722864, 64265012, 128530024, 257060048]

約数ペア:

[(1, 257060048), (2, 128530024), (4, 64265012), (7, 36722864), (8, 32132506), (14, 18361432), (16, 16066253), (28, 9180716), (56, 4590358), (112, 2295179)]