491140299

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 724114944

約数和(自身を除く): 232974645

約数列:

[1, 3, 13, 39, 71, 83, 213, 249, 923, 1079, 2137, 2769, 3237, 5893, 6411, 17679, 27781, 76609, 83343, 151727, 177371, 229827, 455181, 532113, 1972451, 2305823, 5917353, 6917469, 12593341, 37780023, 163713433, 491140299]

約数ペア:

[(1, 491140299), (3, 163713433), (13, 37780023), (39, 12593341), (71, 6917469), (83, 5917353), (213, 2305823), (249, 1972451), (923, 532113), (1079, 455181), (2137, 229827), (2769, 177371), (3237, 151727), (5893, 83343), (6411, 76609), (17679, 27781)]