28109822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20399}}^1$

素因数の和:20467

約数の個数: 16

約数和(自身を含む): 46267200

約数和(自身を除く): 18157378

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20399, 40798, 265187, 530374, 1081147, 2162294, 14054911, 28109822]

約数ペア:

[(1, 28109822), (2, 14054911), (13, 2162294), (26, 1081147), (53, 530374), (106, 265187), (689, 40798), (1378, 20399)]