28110992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 40634608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 449, 559, 602, 688, 728, 898, 1118, 1204, 1456, 1796, 2236, 2408, 3143, 3592, 3913, 4472, 4816, 5837, 6286, 7184, 7826, 8944, 11674, 12572, 15652, 19307, 23348, 25144, 31304, 38614, 40859, 46696, 50288, 62608, 77228, 81718, 93392, 135149, 154456, 163436, 250991, 270298, 308912, 326872, 501982, 540596, 653744, 1003964, 1081192, 1756937, 2007928, 2162384, 3513874, 4015856, 7027748, 14055496, 28110992]

約数ペア:

[(1, 28110992), (2, 14055496), (4, 7027748), (7, 4015856), (8, 3513874), (13, 2162384), (14, 2007928), (16, 1756937), (26, 1081192), (28, 1003964), (43, 653744), (52, 540596), (56, 501982), (86, 326872), (91, 308912), (104, 270298), (112, 250991), (172, 163436), (182, 154456), (208, 135149), (301, 93392), (344, 81718), (364, 77228), (449, 62608), (559, 50288), (602, 46696), (688, 40859), (728, 38614), (898, 31304), (1118, 25144), (1204, 23348), (1456, 19307), (1796, 15652), (2236, 12572), (2408, 11674), (3143, 8944), (3592, 7826), (3913, 7184), (4472, 6286), (4816, 5837)]