2650879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 3340800

約数和(自身を除く): 689921

約数列:

[1, 7, 11, 77, 173, 199, 1211, 1393, 1903, 2189, 13321, 15323, 34427, 240989, 378697, 2650879]

約数ペア:

[(1, 2650879), (7, 378697), (11, 240989), (77, 34427), (173, 15323), (199, 13321), (1211, 2189), (1393, 1903)]