28176768

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 86169600

約数和(自身を除く): 57992832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 263, 279, 288, 372, 384, 432, 496, 526, 558, 576, 744, 789, 837, 864, 992, 1052, 1116, 1152, 1488, 1578, 1674, 1728, 1984, 2104, 2232, 2367, 2976, 3156, 3348, 3456, 3968, 4208, 4464, 4734, 5952, 6312, 6696, 7101, 8153, 8416, 8928, 9468, 11904, 12624, 13392, 14202, 16306, 16832, 17856, 18936, 24459, 25248, 26784, 28404, 32612, 33664, 35712, 37872, 48918, 50496, 53568, 56808, 65224, 73377, 75744, 97836, 100992, 107136, 113616, 130448, 146754, 151488, 195672, 220131, 227232, 260896, 293508, 302976, 391344, 440262, 454464, 521792, 587016, 782688, 880524, 908928, 1043584, 1174032, 1565376, 1761048, 2348064, 3130752, 3522096, 4696128, 7044192, 9392256, 14088384, 28176768]

約数ペア:

[(1, 28176768), (2, 14088384), (3, 9392256), (4, 7044192), (6, 4696128), (8, 3522096), (9, 3130752), (12, 2348064), (16, 1761048), (18, 1565376), (24, 1174032), (27, 1043584), (31, 908928), (32, 880524), (36, 782688), (48, 587016), (54, 521792), (62, 454464), (64, 440262), (72, 391344), (93, 302976), (96, 293508), (108, 260896), (124, 227232), (128, 220131), (144, 195672), (186, 151488), (192, 146754), (216, 130448), (248, 113616), (263, 107136), (279, 100992), (288, 97836), (372, 75744), (384, 73377), (432, 65224), (496, 56808), (526, 53568), (558, 50496), (576, 48918), (744, 37872), (789, 35712), (837, 33664), (864, 32612), (992, 28404), (1052, 26784), (1116, 25248), (1152, 24459), (1488, 18936), (1578, 17856), (1674, 16832), (1728, 16306), (1984, 14202), (2104, 13392), (2232, 12624), (2367, 11904), (2976, 9468), (3156, 8928), (3348, 8416), (3456, 8153), (3968, 7101), (4208, 6696), (4464, 6312), (4734, 5952)]