28909894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65407}}^1$

素因数の和:65439

約数の個数: 16

約数和(自身を含む): 49448448

約数和(自身を除く): 20538554

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 65407, 130814, 850291, 1111919, 1700582, 2223838, 14454947, 28909894]

約数ペア:

[(1, 28909894), (2, 14454947), (13, 2223838), (17, 1700582), (26, 1111919), (34, 850291), (221, 130814), (442, 65407)]