81696888

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 280512960

約数和(自身を除く): 198816072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 37, 39, 42, 52, 56, 63, 72, 74, 78, 84, 91, 104, 111, 117, 126, 148, 156, 168, 182, 222, 234, 252, 259, 273, 296, 312, 333, 337, 364, 444, 468, 481, 504, 518, 546, 666, 674, 728, 777, 819, 888, 936, 962, 1011, 1036, 1092, 1332, 1348, 1443, 1554, 1638, 1924, 2022, 2072, 2184, 2331, 2359, 2664, 2696, 2886, 3033, 3108, 3276, 3367, 3848, 4044, 4329, 4381, 4662, 4718, 5772, 6066, 6216, 6552, 6734, 7077, 8088, 8658, 8762, 9324, 9436, 10101, 11544, 12132, 12469, 13143, 13468, 14154, 17316, 17524, 18648, 18872, 20202, 21231, 24264, 24938, 26286, 26936, 28308, 30303, 30667, 34632, 35048, 37407, 39429, 40404, 42462, 49876, 52572, 56616, 60606, 61334, 74814, 78858, 80808, 84924, 87283, 92001, 99752, 105144, 112221, 121212, 122668, 149628, 157716, 162097, 169848, 174566, 184002, 224442, 242424, 245336, 261849, 276003, 299256, 315432, 324194, 349132, 368004, 448884, 486291, 523698, 552006, 648388, 698264, 736008, 785547, 897768, 972582, 1047396, 1104012, 1134679, 1296776, 1458873, 1571094, 1945164, 2094792, 2208024, 2269358, 2917746, 3142188, 3404037, 3890328, 4538716, 5835492, 6284376, 6808074, 9077432, 10212111, 11670984, 13616148, 20424222, 27232296, 40848444, 81696888]

約数ペア:

[(1, 81696888), (2, 40848444), (3, 27232296), (4, 20424222), (6, 13616148), (7, 11670984), (8, 10212111), (9, 9077432), (12, 6808074), (13, 6284376), (14, 5835492), (18, 4538716), (21, 3890328), (24, 3404037), (26, 3142188), (28, 2917746), (36, 2269358), (37, 2208024), (39, 2094792), (42, 1945164), (52, 1571094), (56, 1458873), (63, 1296776), (72, 1134679), (74, 1104012), (78, 1047396), (84, 972582), (91, 897768), (104, 785547), (111, 736008), (117, 698264), (126, 648388), (148, 552006), (156, 523698), (168, 486291), (182, 448884), (222, 368004), (234, 349132), (252, 324194), (259, 315432), (273, 299256), (296, 276003), (312, 261849), (333, 245336), (337, 242424), (364, 224442), (444, 184002), (468, 174566), (481, 169848), (504, 162097), (518, 157716), (546, 149628), (666, 122668), (674, 121212), (728, 112221), (777, 105144), (819, 99752), (888, 92001), (936, 87283), (962, 84924), (1011, 80808), (1036, 78858), (1092, 74814), (1332, 61334), (1348, 60606), (1443, 56616), (1554, 52572), (1638, 49876), (1924, 42462), (2022, 40404), (2072, 39429), (2184, 37407), (2331, 35048), (2359, 34632), (2664, 30667), (2696, 30303), (2886, 28308), (3033, 26936), (3108, 26286), (3276, 24938), (3367, 24264), (3848, 21231), (4044, 20202), (4329, 18872), (4381, 18648), (4662, 17524), (4718, 17316), (5772, 14154), (6066, 13468), (6216, 13143), (6552, 12469), (6734, 12132), (7077, 11544), (8088, 10101), (8658, 9436), (8762, 9324)]