257642224

素因数分解:

$2^4\times 7^1\times {\mathrm{2300377}}^1$

素因数の和:2300392

約数の個数: 20

約数和(自身を含む): 570493744

約数和(自身を除く): 312851520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2300377, 4600754, 9201508, 16102639, 18403016, 32205278, 36806032, 64410556, 128821112, 257642224]

約数ペア:

[(1, 257642224), (2, 128821112), (4, 64410556), (7, 36806032), (8, 32205278), (14, 18403016), (16, 16102639), (28, 9201508), (56, 4600754), (112, 2300377)]