28788890032

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{169219}}^1$

素因数の和:169279

約数の個数: 80

約数和(自身を含む): 67146496000

約数和(自身を除く): 38357605968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1372, 1519, 1736, 2744, 3038, 3472, 5488, 6076, 10633, 12152, 21266, 24304, 42532, 85064, 169219, 170128, 338438, 676876, 1184533, 1353752, 2369066, 2707504, 4738132, 5245789, 8291731, 9476264, 10491578, 16583462, 18952528, 20983156, 33166924, 36720523, 41966312, 58042117, 66333848, 73441046, 83932624, 116084234, 132667696, 146882092, 232168468, 257043661, 293764184, 464336936, 514087322, 587528368, 928673872, 1028174644, 1799305627, 2056349288, 3598611254, 4112698576, 7197222508, 14394445016, 28788890032]

約数ペア:

[(1, 28788890032), (2, 14394445016), (4, 7197222508), (7, 4112698576), (8, 3598611254), (14, 2056349288), (16, 1799305627), (28, 1028174644), (31, 928673872), (49, 587528368), (56, 514087322), (62, 464336936), (98, 293764184), (112, 257043661), (124, 232168468), (196, 146882092), (217, 132667696), (248, 116084234), (343, 83932624), (392, 73441046), (434, 66333848), (496, 58042117), (686, 41966312), (784, 36720523), (868, 33166924), (1372, 20983156), (1519, 18952528), (1736, 16583462), (2744, 10491578), (3038, 9476264), (3472, 8291731), (5488, 5245789), (6076, 4738132), (10633, 2707504), (12152, 2369066), (21266, 1353752), (24304, 1184533), (42532, 676876), (85064, 338438), (169219, 170128)]