28540804

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 50960000

約数和(自身を除く): 22419196

約数列:

[1, 2, 4, 79, 158, 181, 316, 362, 499, 724, 998, 1996, 14299, 28598, 39421, 57196, 78842, 90319, 157684, 180638, 361276, 7135201, 14270402, 28540804]

約数ペア:

[(1, 28540804), (2, 14270402), (4, 7135201), (79, 361276), (158, 180638), (181, 157684), (316, 90319), (362, 78842), (499, 57196), (724, 39421), (998, 28598), (1996, 14299)]