2688406721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{57143}}^1$

素因数の和:57221

約数の個数: 32

約数和(自身を含む): 3686473728

約数和(自身を除く): 998067007

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 329, 517, 611, 1001, 3619, 4277, 6721, 47047, 57143, 400001, 628573, 742859, 2685721, 4400011, 5200013, 8171449, 18800047, 29542931, 34914373, 57200143, 206800517, 244400611, 384058103, 2688406721]

約数ペア:

[(1, 2688406721), (7, 384058103), (11, 244400611), (13, 206800517), (47, 57200143), (77, 34914373), (91, 29542931), (143, 18800047), (329, 8171449), (517, 5200013), (611, 4400011), (1001, 2685721), (3619, 742859), (4277, 628573), (6721, 400001), (47047, 57143)]