28208774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{29819}}^1$

素因数の和:29875

約数の個数: 16

約数和(自身を含む): 47234880

約数和(自身を除く): 19026106

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 29819, 59638, 328009, 656018, 1282217, 2564434, 14104387, 28208774]

約数ペア:

[(1, 28208774), (2, 14104387), (11, 2564434), (22, 1282217), (43, 656018), (86, 328009), (473, 59638), (946, 29819)]