28079744

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 73459890

約数和(自身を除く): 45380146

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 49, 56, 64, 74, 77, 88, 98, 112, 121, 128, 148, 154, 176, 196, 224, 242, 259, 296, 308, 352, 392, 407, 448, 484, 518, 539, 592, 616, 704, 784, 814, 847, 896, 968, 1036, 1078, 1184, 1232, 1408, 1568, 1628, 1694, 1813, 1936, 2072, 2156, 2368, 2464, 2849, 3136, 3256, 3388, 3626, 3872, 4144, 4312, 4477, 4736, 4928, 5698, 5929, 6272, 6512, 6776, 7252, 7744, 8288, 8624, 8954, 9856, 11396, 11858, 13024, 13552, 14504, 15488, 16576, 17248, 17908, 19943, 22792, 23716, 26048, 27104, 29008, 31339, 33152, 34496, 35816, 39886, 45584, 47432, 52096, 54208, 58016, 62678, 68992, 71632, 79772, 91168, 94864, 108416, 116032, 125356, 143264, 159544, 182336, 189728, 219373, 232064, 250712, 286528, 319088, 364672, 379456, 438746, 501424, 573056, 638176, 758912, 877492, 1002848, 1276352, 1754984, 2005696, 2552704, 3509968, 4011392, 7019936, 14039872, 28079744]

約数ペア:

[(1, 28079744), (2, 14039872), (4, 7019936), (7, 4011392), (8, 3509968), (11, 2552704), (14, 2005696), (16, 1754984), (22, 1276352), (28, 1002848), (32, 877492), (37, 758912), (44, 638176), (49, 573056), (56, 501424), (64, 438746), (74, 379456), (77, 364672), (88, 319088), (98, 286528), (112, 250712), (121, 232064), (128, 219373), (148, 189728), (154, 182336), (176, 159544), (196, 143264), (224, 125356), (242, 116032), (259, 108416), (296, 94864), (308, 91168), (352, 79772), (392, 71632), (407, 68992), (448, 62678), (484, 58016), (518, 54208), (539, 52096), (592, 47432), (616, 45584), (704, 39886), (784, 35816), (814, 34496), (847, 33152), (896, 31339), (968, 29008), (1036, 27104), (1078, 26048), (1184, 23716), (1232, 22792), (1408, 19943), (1568, 17908), (1628, 17248), (1694, 16576), (1813, 15488), (1936, 14504), (2072, 13552), (2156, 13024), (2368, 11858), (2464, 11396), (2849, 9856), (3136, 8954), (3256, 8624), (3388, 8288), (3626, 7744), (3872, 7252), (4144, 6776), (4312, 6512), (4477, 6272), (4736, 5929), (4928, 5698)]