28790251

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 33739264

約数和(自身を除く): 4949013

約数列:

[1, 7, 73, 103, 511, 547, 721, 3829, 7519, 39931, 52633, 56341, 279517, 394387, 4112893, 28790251]

約数ペア:

[(1, 28790251), (7, 4112893), (73, 394387), (103, 279517), (511, 56341), (547, 52633), (721, 39931), (3829, 7519)]