9620231978

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1\times {\mathrm{9907}}^1$

素因数の和:10554

約数の個数: 32

約数和(自身を含む): 16645440000

約数和(自身を除く): 7025208022

約数列:

[1, 2, 7, 14, 139, 278, 499, 973, 998, 1946, 3493, 6986, 9907, 19814, 69349, 69361, 138698, 138722, 485527, 971054, 1377073, 2754146, 4943593, 9639511, 9887186, 19279022, 34605151, 69210302, 687159427, 1374318854, 4810115989, 9620231978]

約数ペア:

[(1, 9620231978), (2, 4810115989), (7, 1374318854), (14, 687159427), (139, 69210302), (278, 34605151), (499, 19279022), (973, 9887186), (998, 9639511), (1946, 4943593), (3493, 2754146), (6986, 1377073), (9907, 971054), (19814, 485527), (69349, 138722), (69361, 138698)]