28539736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{209851}}^1$

素因数の和:209874

約数の個数: 16

約数和(自身を含む): 56660040

約数和(自身を除く): 28120304

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 209851, 419702, 839404, 1678808, 3567467, 7134934, 14269868, 28539736]

約数ペア:

[(1, 28539736), (2, 14269868), (4, 7134934), (8, 3567467), (17, 1678808), (34, 839404), (68, 419702), (136, 209851)]