28085564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31771}}^1$

素因数の和:31805

約数の個数: 24

約数和(自身を含む): 56045808

約数和(自身を除く): 27960244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 31771, 63542, 127084, 413023, 540107, 826046, 1080214, 1652092, 2160428, 7021391, 14042782, 28085564]

約数ペア:

[(1, 28085564), (2, 14042782), (4, 7021391), (13, 2160428), (17, 1652092), (26, 1080214), (34, 826046), (52, 540107), (68, 413023), (221, 127084), (442, 63542), (884, 31771)]