6639556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21557}}^1$

素因数の和:21579

約数の個数: 24

約数和(自身を含む): 14486976

約数和(自身を除く): 7847420

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 21557, 43114, 86228, 150899, 237127, 301798, 474254, 603596, 948508, 1659889, 3319778, 6639556]

約数ペア:

[(1, 6639556), (2, 3319778), (4, 1659889), (7, 948508), (11, 603596), (14, 474254), (22, 301798), (28, 237127), (44, 150899), (77, 86228), (154, 43114), (308, 21557)]