1220911489

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{607721}}^1$

素因数の和:607776

約数の個数: 12

約数和(自身を含む): 1454886468

約数和(自身を除く): 233974979

約数列:

[1, 7, 41, 49, 287, 2009, 607721, 4254047, 24916561, 29778329, 174415927, 1220911489]

約数ペア:

[(1, 1220911489), (7, 174415927), (41, 29778329), (49, 24916561), (287, 4254047), (2009, 607721)]