2128973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 2720256

約数和(自身を除く): 591283

約数列:

[1, 7, 11, 43, 77, 301, 473, 643, 3311, 4501, 7073, 27649, 49511, 193543, 304139, 2128973]

約数ペア:

[(1, 2128973), (7, 304139), (11, 193543), (43, 49511), (77, 27649), (301, 7073), (473, 4501), (643, 3311)]