28139856

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 48998064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 284, 359, 368, 426, 552, 568, 718, 852, 1077, 1104, 1136, 1436, 1633, 1704, 2154, 2872, 3266, 3408, 4308, 4899, 5744, 6532, 8257, 8616, 9798, 13064, 16514, 17232, 19596, 24771, 25489, 26128, 33028, 39192, 49542, 50978, 66056, 76467, 78384, 99084, 101956, 132112, 152934, 198168, 203912, 305868, 396336, 407824, 586247, 611736, 1172494, 1223472, 1758741, 2344988, 3517482, 4689976, 7034964, 9379952, 14069928, 28139856]

約数ペア:

[(1, 28139856), (2, 14069928), (3, 9379952), (4, 7034964), (6, 4689976), (8, 3517482), (12, 2344988), (16, 1758741), (23, 1223472), (24, 1172494), (46, 611736), (48, 586247), (69, 407824), (71, 396336), (92, 305868), (138, 203912), (142, 198168), (184, 152934), (213, 132112), (276, 101956), (284, 99084), (359, 78384), (368, 76467), (426, 66056), (552, 50978), (568, 49542), (718, 39192), (852, 33028), (1077, 26128), (1104, 25489), (1136, 24771), (1436, 19596), (1633, 17232), (1704, 16514), (2154, 13064), (2872, 9798), (3266, 8616), (3408, 8257), (4308, 6532), (4899, 5744)]