257029108

素因数分解:

$2^2\times 7^3\times {\mathrm{187339}}^1$

素因数の和:187364

約数の個数: 24

約数和(自身を含む): 524552000

約数和(自身を除く): 267522892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 187339, 374678, 749356, 1311373, 2622746, 5245492, 9179611, 18359222, 36718444, 64257277, 128514554, 257029108]

約数ペア:

[(1, 257029108), (2, 128514554), (4, 64257277), (7, 36718444), (14, 18359222), (28, 9179611), (49, 5245492), (98, 2622746), (196, 1311373), (343, 749356), (686, 374678), (1372, 187339)]