2009387639

素因数分解:

$7^3\times {\mathrm{277}}^1\times {\mathrm{21149}}^1$

素因数の和:21447

約数の個数: 16

約数和(自身を含む): 2351880000

約数和(自身を除く): 342492361

約数列:

[1, 7, 49, 277, 343, 1939, 13573, 21149, 95011, 148043, 1036301, 5858273, 7254107, 41007911, 287055377, 2009387639]

約数ペア:

[(1, 2009387639), (7, 287055377), (49, 41007911), (277, 7254107), (343, 5858273), (1939, 1036301), (13573, 148043), (21149, 95011)]