648690204

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{388903}}^1$

素因数の和:389049

約数の個数: 24

約数和(自身を含む): 1524503680

約数和(自身を除く): 875813476

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 388903, 777806, 1166709, 1555612, 2333418, 4666836, 54057517, 108115034, 162172551, 216230068, 324345102, 648690204]

約数ペア:

[(1, 648690204), (2, 324345102), (3, 216230068), (4, 162172551), (6, 108115034), (12, 54057517), (139, 4666836), (278, 2333418), (417, 1555612), (556, 1166709), (834, 777806), (1668, 388903)]