128644208

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 80

約数和(自身を含む): 317241600

約数和(自身を除く): 188597392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 392, 539, 616, 686, 784, 1078, 1232, 1372, 2131, 2156, 2744, 3773, 4262, 4312, 5488, 7546, 8524, 8624, 14917, 15092, 17048, 23441, 29834, 30184, 34096, 46882, 59668, 60368, 93764, 104419, 119336, 164087, 187528, 208838, 238672, 328174, 375056, 417676, 656348, 730933, 835352, 1148609, 1312696, 1461866, 1670704, 2297218, 2625392, 2923732, 4594436, 5847464, 8040263, 9188872, 11694928, 16080526, 18377744, 32161052, 64322104, 128644208]

約数ペア:

[(1, 128644208), (2, 64322104), (4, 32161052), (7, 18377744), (8, 16080526), (11, 11694928), (14, 9188872), (16, 8040263), (22, 5847464), (28, 4594436), (44, 2923732), (49, 2625392), (56, 2297218), (77, 1670704), (88, 1461866), (98, 1312696), (112, 1148609), (154, 835352), (176, 730933), (196, 656348), (308, 417676), (343, 375056), (392, 328174), (539, 238672), (616, 208838), (686, 187528), (784, 164087), (1078, 119336), (1232, 104419), (1372, 93764), (2131, 60368), (2156, 59668), (2744, 46882), (3773, 34096), (4262, 30184), (4312, 29834), (5488, 23441), (7546, 17048), (8524, 15092), (8624, 14917)]