28239288

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 93571200

約数和(自身を除く): 65331912

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 37, 42, 44, 49, 56, 59, 66, 74, 77, 84, 88, 98, 111, 118, 132, 147, 148, 154, 168, 177, 196, 222, 231, 236, 259, 264, 294, 296, 308, 354, 392, 407, 413, 444, 462, 472, 518, 539, 588, 616, 649, 708, 777, 814, 826, 888, 924, 1036, 1078, 1176, 1221, 1239, 1298, 1416, 1554, 1617, 1628, 1652, 1813, 1848, 1947, 2072, 2156, 2183, 2442, 2478, 2596, 2849, 2891, 3108, 3234, 3256, 3304, 3626, 3894, 4312, 4366, 4543, 4884, 4956, 5192, 5439, 5698, 5782, 6216, 6468, 6549, 7252, 7788, 8547, 8673, 8732, 9086, 9768, 9912, 10878, 11396, 11564, 12936, 13098, 13629, 14504, 15281, 15576, 17094, 17346, 17464, 18172, 19943, 21756, 22792, 23128, 24013, 26196, 27258, 30562, 31801, 34188, 34692, 36344, 39886, 43512, 45843, 48026, 52392, 54516, 59829, 61124, 63602, 68376, 69384, 72039, 79772, 91686, 95403, 96052, 106967, 109032, 119658, 122248, 127204, 144078, 159544, 168091, 183372, 190806, 192104, 213934, 239316, 254408, 288156, 320901, 336182, 366744, 381612, 427868, 478632, 504273, 576312, 641802, 672364, 763224, 855736, 1008546, 1176637, 1283604, 1344728, 2017092, 2353274, 2567208, 3529911, 4034184, 4706548, 7059822, 9413096, 14119644, 28239288]

約数ペア:

[(1, 28239288), (2, 14119644), (3, 9413096), (4, 7059822), (6, 4706548), (7, 4034184), (8, 3529911), (11, 2567208), (12, 2353274), (14, 2017092), (21, 1344728), (22, 1283604), (24, 1176637), (28, 1008546), (33, 855736), (37, 763224), (42, 672364), (44, 641802), (49, 576312), (56, 504273), (59, 478632), (66, 427868), (74, 381612), (77, 366744), (84, 336182), (88, 320901), (98, 288156), (111, 254408), (118, 239316), (132, 213934), (147, 192104), (148, 190806), (154, 183372), (168, 168091), (177, 159544), (196, 144078), (222, 127204), (231, 122248), (236, 119658), (259, 109032), (264, 106967), (294, 96052), (296, 95403), (308, 91686), (354, 79772), (392, 72039), (407, 69384), (413, 68376), (444, 63602), (462, 61124), (472, 59829), (518, 54516), (539, 52392), (588, 48026), (616, 45843), (649, 43512), (708, 39886), (777, 36344), (814, 34692), (826, 34188), (888, 31801), (924, 30562), (1036, 27258), (1078, 26196), (1176, 24013), (1221, 23128), (1239, 22792), (1298, 21756), (1416, 19943), (1554, 18172), (1617, 17464), (1628, 17346), (1652, 17094), (1813, 15576), (1848, 15281), (1947, 14504), (2072, 13629), (2156, 13098), (2183, 12936), (2442, 11564), (2478, 11396), (2596, 10878), (2849, 9912), (2891, 9768), (3108, 9086), (3234, 8732), (3256, 8673), (3304, 8547), (3626, 7788), (3894, 7252), (4312, 6549), (4366, 6468), (4543, 6216), (4884, 5782), (4956, 5698), (5192, 5439)]