28305732

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 86710400

約数和(自身を除く): 58404668

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 49, 52, 69, 78, 84, 91, 92, 98, 138, 147, 156, 161, 182, 196, 273, 276, 294, 299, 322, 343, 364, 483, 529, 546, 588, 598, 637, 644, 686, 897, 966, 1029, 1058, 1092, 1127, 1196, 1274, 1372, 1587, 1794, 1911, 1932, 2058, 2093, 2116, 2254, 2548, 3174, 3381, 3588, 3703, 3822, 4116, 4186, 4459, 4508, 6279, 6348, 6762, 6877, 7406, 7644, 7889, 8372, 8918, 11109, 12558, 13377, 13524, 13754, 14651, 14812, 15778, 17836, 20631, 22218, 23667, 25116, 25921, 26754, 27508, 29302, 31556, 41262, 43953, 44436, 47334, 48139, 51842, 53508, 58604, 77763, 82524, 87906, 94668, 96278, 102557, 103684, 144417, 155526, 175812, 181447, 192556, 205114, 288834, 307671, 311052, 336973, 362894, 410228, 544341, 577668, 615342, 673946, 725788, 1010919, 1088682, 1230684, 1347892, 2021838, 2177364, 2358811, 4043676, 4717622, 7076433, 9435244, 14152866, 28305732]

約数ペア:

[(1, 28305732), (2, 14152866), (3, 9435244), (4, 7076433), (6, 4717622), (7, 4043676), (12, 2358811), (13, 2177364), (14, 2021838), (21, 1347892), (23, 1230684), (26, 1088682), (28, 1010919), (39, 725788), (42, 673946), (46, 615342), (49, 577668), (52, 544341), (69, 410228), (78, 362894), (84, 336973), (91, 311052), (92, 307671), (98, 288834), (138, 205114), (147, 192556), (156, 181447), (161, 175812), (182, 155526), (196, 144417), (273, 103684), (276, 102557), (294, 96278), (299, 94668), (322, 87906), (343, 82524), (364, 77763), (483, 58604), (529, 53508), (546, 51842), (588, 48139), (598, 47334), (637, 44436), (644, 43953), (686, 41262), (897, 31556), (966, 29302), (1029, 27508), (1058, 26754), (1092, 25921), (1127, 25116), (1196, 23667), (1274, 22218), (1372, 20631), (1587, 17836), (1794, 15778), (1911, 14812), (1932, 14651), (2058, 13754), (2093, 13524), (2116, 13377), (2254, 12558), (2548, 11109), (3174, 8918), (3381, 8372), (3588, 7889), (3703, 7644), (3822, 7406), (4116, 6877), (4186, 6762), (4459, 6348), (4508, 6279)]