28705248

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 104019552

約数和(自身を除く): 75314304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 22, 24, 26, 32, 33, 34, 36, 39, 41, 44, 48, 51, 52, 66, 68, 72, 78, 82, 88, 96, 99, 102, 104, 117, 123, 132, 136, 143, 144, 153, 156, 164, 176, 187, 198, 204, 208, 221, 234, 246, 264, 272, 286, 288, 306, 312, 328, 352, 369, 374, 396, 408, 416, 429, 442, 451, 468, 492, 528, 533, 544, 561, 572, 612, 624, 656, 663, 697, 738, 748, 792, 816, 858, 884, 902, 936, 984, 1056, 1066, 1122, 1144, 1224, 1248, 1287, 1312, 1326, 1353, 1394, 1476, 1496, 1584, 1599, 1632, 1683, 1716, 1768, 1804, 1872, 1968, 1989, 2091, 2132, 2244, 2288, 2431, 2448, 2574, 2652, 2706, 2788, 2952, 2992, 3168, 3198, 3366, 3432, 3536, 3608, 3744, 3936, 3978, 4059, 4182, 4264, 4488, 4576, 4797, 4862, 4896, 5148, 5304, 5412, 5576, 5863, 5904, 5984, 6273, 6396, 6732, 6864, 7072, 7216, 7293, 7667, 7956, 8118, 8364, 8528, 8976, 9061, 9594, 9724, 10296, 10608, 10824, 11152, 11726, 11808, 12546, 12792, 13464, 13728, 14432, 14586, 15334, 15912, 16236, 16728, 17056, 17589, 17952, 18122, 19188, 19448, 20592, 21216, 21648, 21879, 22304, 23001, 23452, 25092, 25584, 26928, 27183, 29172, 30668, 31824, 32472, 33456, 35178, 36244, 38376, 38896, 41184, 43296, 43758, 46002, 46904, 50184, 51168, 52767, 53856, 54366, 58344, 61336, 63648, 64944, 66912, 69003, 70356, 72488, 76752, 77792, 81549, 87516, 92004, 93808, 99671, 100368, 105534, 108732, 116688, 122672, 129888, 138006, 140712, 144976, 153504, 163098, 175032, 184008, 187616, 199342, 200736, 211068, 217464, 233376, 245344, 276012, 281424, 289952, 299013, 326196, 350064, 368016, 398684, 422136, 434928, 552024, 562848, 598026, 652392, 700128, 736032, 797368, 844272, 869856, 897039, 1104048, 1196052, 1304784, 1594736, 1688544, 1794078, 2208096, 2392104, 2609568, 3189472, 3588156, 4784208, 7176312, 9568416, 14352624, 28705248]

約数ペア:

[(1, 28705248), (2, 14352624), (3, 9568416), (4, 7176312), (6, 4784208), (8, 3588156), (9, 3189472), (11, 2609568), (12, 2392104), (13, 2208096), (16, 1794078), (17, 1688544), (18, 1594736), (22, 1304784), (24, 1196052), (26, 1104048), (32, 897039), (33, 869856), (34, 844272), (36, 797368), (39, 736032), (41, 700128), (44, 652392), (48, 598026), (51, 562848), (52, 552024), (66, 434928), (68, 422136), (72, 398684), (78, 368016), (82, 350064), (88, 326196), (96, 299013), (99, 289952), (102, 281424), (104, 276012), (117, 245344), (123, 233376), (132, 217464), (136, 211068), (143, 200736), (144, 199342), (153, 187616), (156, 184008), (164, 175032), (176, 163098), (187, 153504), (198, 144976), (204, 140712), (208, 138006), (221, 129888), (234, 122672), (246, 116688), (264, 108732), (272, 105534), (286, 100368), (288, 99671), (306, 93808), (312, 92004), (328, 87516), (352, 81549), (369, 77792), (374, 76752), (396, 72488), (408, 70356), (416, 69003), (429, 66912), (442, 64944), (451, 63648), (468, 61336), (492, 58344), (528, 54366), (533, 53856), (544, 52767), (561, 51168), (572, 50184), (612, 46904), (624, 46002), (656, 43758), (663, 43296), (697, 41184), (738, 38896), (748, 38376), (792, 36244), (816, 35178), (858, 33456), (884, 32472), (902, 31824), (936, 30668), (984, 29172), (1056, 27183), (1066, 26928), (1122, 25584), (1144, 25092), (1224, 23452), (1248, 23001), (1287, 22304), (1312, 21879), (1326, 21648), (1353, 21216), (1394, 20592), (1476, 19448), (1496, 19188), (1584, 18122), (1599, 17952), (1632, 17589), (1683, 17056), (1716, 16728), (1768, 16236), (1804, 15912), (1872, 15334), (1968, 14586), (1989, 14432), (2091, 13728), (2132, 13464), (2244, 12792), (2288, 12546), (2431, 11808), (2448, 11726), (2574, 11152), (2652, 10824), (2706, 10608), (2788, 10296), (2952, 9724), (2992, 9594), (3168, 9061), (3198, 8976), (3366, 8528), (3432, 8364), (3536, 8118), (3608, 7956), (3744, 7667), (3936, 7293), (3978, 7216), (4059, 7072), (4182, 6864), (4264, 6732), (4488, 6396), (4576, 6273), (4797, 5984), (4862, 5904), (4896, 5863), (5148, 5576), (5304, 5412)]