28531867

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 8010149

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 953, 2303, 4277, 6671, 12389, 29939, 44791, 46697, 86723, 313537, 582283, 607061, 2194759, 4075981, 28531867]

約数ペア:

[(1, 28531867), (7, 4075981), (13, 2194759), (47, 607061), (49, 582283), (91, 313537), (329, 86723), (611, 46697), (637, 44791), (953, 29939), (2303, 12389), (4277, 6671)]