28306490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{35831}}^1$

素因数の和:35917

約数の個数: 16

約数和(自身を含む): 51598080

約数和(自身を除く): 23291590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 35831, 71662, 179155, 358310, 2830649, 5661298, 14153245, 28306490]

約数ペア:

[(1, 28306490), (2, 14153245), (5, 5661298), (10, 2830649), (79, 358310), (158, 179155), (395, 71662), (790, 35831)]