28739928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 61461672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 29, 34, 42, 51, 56, 58, 68, 84, 87, 102, 116, 119, 136, 168, 174, 203, 204, 232, 238, 347, 348, 357, 406, 408, 476, 493, 609, 694, 696, 714, 812, 952, 986, 1041, 1218, 1388, 1428, 1479, 1624, 1972, 2082, 2429, 2436, 2776, 2856, 2958, 3451, 3944, 4164, 4858, 4872, 5899, 5916, 6902, 7287, 8328, 9716, 10063, 10353, 11798, 11832, 13804, 14574, 17697, 19432, 20126, 20706, 23596, 27608, 29148, 30189, 35394, 40252, 41293, 41412, 47192, 58296, 60378, 70441, 70788, 80504, 82586, 82824, 120756, 123879, 140882, 141576, 165172, 171071, 211323, 241512, 247758, 281764, 330344, 342142, 422646, 495516, 513213, 563528, 684284, 845292, 991032, 1026426, 1197497, 1368568, 1690584, 2052852, 2394994, 3592491, 4105704, 4789988, 7184982, 9579976, 14369964, 28739928]

約数ペア:

[(1, 28739928), (2, 14369964), (3, 9579976), (4, 7184982), (6, 4789988), (7, 4105704), (8, 3592491), (12, 2394994), (14, 2052852), (17, 1690584), (21, 1368568), (24, 1197497), (28, 1026426), (29, 991032), (34, 845292), (42, 684284), (51, 563528), (56, 513213), (58, 495516), (68, 422646), (84, 342142), (87, 330344), (102, 281764), (116, 247758), (119, 241512), (136, 211323), (168, 171071), (174, 165172), (203, 141576), (204, 140882), (232, 123879), (238, 120756), (347, 82824), (348, 82586), (357, 80504), (406, 70788), (408, 70441), (476, 60378), (493, 58296), (609, 47192), (694, 41412), (696, 41293), (714, 40252), (812, 35394), (952, 30189), (986, 29148), (1041, 27608), (1218, 23596), (1388, 20706), (1428, 20126), (1479, 19432), (1624, 17697), (1972, 14574), (2082, 13804), (2429, 11832), (2436, 11798), (2776, 10353), (2856, 10063), (2958, 9716), (3451, 8328), (3944, 7287), (4164, 6902), (4858, 5916), (4872, 5899)]