1997562721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{603311}}^1$

素因数の和:603372

約数の個数: 16

約数和(自身を含む): 2548389888

約数和(自身を除く): 550827167

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 603311, 4223177, 6636421, 25942373, 46454947, 181596611, 285366103, 1997562721]

約数ペア:

[(1, 1997562721), (7, 285366103), (11, 181596611), (43, 46454947), (77, 25942373), (301, 6636421), (473, 4223177), (3311, 603311)]