218876628

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{131221}}^1$

素因数の和:131367

約数の個数: 24

約数和(自身を含む): 514390240

約数和(自身を除く): 295513612

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 131221, 262442, 393663, 524884, 787326, 1574652, 18239719, 36479438, 54719157, 72958876, 109438314, 218876628]

約数ペア:

[(1, 218876628), (2, 109438314), (3, 72958876), (4, 54719157), (6, 36479438), (12, 18239719), (139, 1574652), (278, 787326), (417, 524884), (556, 393663), (834, 262442), (1668, 131221)]