57210881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 78523200

約数和(自身を除く): 21312319

約数列:

[1, 7, 13, 19, 29, 49, 91, 133, 163, 203, 247, 377, 551, 637, 931, 1141, 1421, 1729, 2119, 2639, 3097, 3857, 4727, 7163, 7987, 12103, 14833, 18473, 21679, 26999, 33089, 40261, 50141, 61451, 89813, 103831, 151753, 231623, 281827, 350987, 430157, 628691, 1167569, 1972789, 3011099, 4400837, 8172983, 57210881]

約数ペア:

[(1, 57210881), (7, 8172983), (13, 4400837), (19, 3011099), (29, 1972789), (49, 1167569), (91, 628691), (133, 430157), (163, 350987), (203, 281827), (247, 231623), (377, 151753), (551, 103831), (637, 89813), (931, 61451), (1141, 50141), (1421, 40261), (1729, 33089), (2119, 26999), (2639, 21679), (3097, 18473), (3857, 14833), (4727, 12103), (7163, 7987)]