28085870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165211}}^1$

素因数の和:165235

約数の個数: 16

約数和(自身を含む): 53528688

約数和(自身を除く): 25442818

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 165211, 330422, 826055, 1652110, 2808587, 5617174, 14042935, 28085870]

約数ペア:

[(1, 28085870), (2, 14042935), (5, 5617174), (10, 2808587), (17, 1652110), (34, 826055), (85, 330422), (170, 165211)]