28931428

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 51891840

約数和(自身を除く): 22960412

約数列:

[1, 2, 4, 53, 106, 212, 239, 478, 571, 956, 1142, 2284, 12667, 25334, 30263, 50668, 60526, 121052, 136469, 272938, 545876, 7232857, 14465714, 28931428]

約数ペア:

[(1, 28931428), (2, 14465714), (4, 7232857), (53, 545876), (106, 272938), (212, 136469), (239, 121052), (478, 60526), (571, 50668), (956, 30263), (1142, 25334), (2284, 12667)]