12278959

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 36

約数和(自身を含む): 16678200

約数和(自身を除く): 4399241

約数列:

[1, 7, 11, 19, 49, 77, 109, 121, 133, 209, 539, 763, 847, 931, 1199, 1463, 2071, 2299, 5341, 5929, 8393, 10241, 13189, 14497, 16093, 22781, 58751, 92323, 101479, 112651, 159467, 250591, 646261, 1116269, 1754137, 12278959]

約数ペア:

[(1, 12278959), (7, 1754137), (11, 1116269), (19, 646261), (49, 250591), (77, 159467), (109, 112651), (121, 101479), (133, 92323), (209, 58751), (539, 22781), (763, 16093), (847, 14497), (931, 13189), (1199, 10241), (1463, 8393), (2071, 5929), (2299, 5341)]