2015833981

素因数分解:

$7^4\times {\mathrm{199}}^1\times {\mathrm{4219}}^1$

素因数の和:4446

約数の個数: 20

約数和(自身を含む): 2364044000

約数和(自身を除く): 348210019

約数列:

[1, 7, 49, 199, 343, 1393, 2401, 4219, 9751, 29533, 68257, 206731, 477799, 839581, 1447117, 5877067, 10129819, 41139469, 287976283, 2015833981]

約数ペア:

[(1, 2015833981), (7, 287976283), (49, 41139469), (199, 10129819), (343, 5877067), (1393, 1447117), (2401, 839581), (4219, 477799), (9751, 206731), (29533, 68257)]