291231696

素因数分解:

$2^4\times 3^1\times 7^5\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 926360352

約数和(自身を除く): 635128656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 343, 361, 392, 399, 456, 532, 588, 686, 722, 784, 798, 912, 931, 1029, 1064, 1083, 1176, 1372, 1444, 1596, 1862, 2058, 2128, 2166, 2352, 2401, 2527, 2744, 2793, 2888, 3192, 3724, 4116, 4332, 4802, 5054, 5488, 5586, 5776, 6384, 6517, 7203, 7448, 7581, 8232, 8664, 9604, 10108, 11172, 13034, 14406, 14896, 15162, 16464, 16807, 17328, 17689, 19208, 19551, 20216, 22344, 26068, 28812, 30324, 33614, 35378, 38416, 39102, 40432, 44688, 45619, 50421, 52136, 53067, 57624, 60648, 67228, 70756, 78204, 91238, 100842, 104272, 106134, 115248, 121296, 123823, 134456, 136857, 141512, 156408, 182476, 201684, 212268, 247646, 268912, 273714, 283024, 312816, 319333, 364952, 371469, 403368, 424536, 495292, 547428, 638666, 729904, 742938, 806736, 849072, 866761, 957999, 990584, 1094856, 1277332, 1485876, 1733522, 1915998, 1981168, 2189712, 2554664, 2600283, 2971752, 3467044, 3831996, 5109328, 5200566, 5943504, 6067327, 6934088, 7663992, 10401132, 12134654, 13868176, 15327984, 18201981, 20802264, 24269308, 36403962, 41604528, 48538616, 72807924, 97077232, 145615848, 291231696]

約数ペア:

[(1, 291231696), (2, 145615848), (3, 97077232), (4, 72807924), (6, 48538616), (7, 41604528), (8, 36403962), (12, 24269308), (14, 20802264), (16, 18201981), (19, 15327984), (21, 13868176), (24, 12134654), (28, 10401132), (38, 7663992), (42, 6934088), (48, 6067327), (49, 5943504), (56, 5200566), (57, 5109328), (76, 3831996), (84, 3467044), (98, 2971752), (112, 2600283), (114, 2554664), (133, 2189712), (147, 1981168), (152, 1915998), (168, 1733522), (196, 1485876), (228, 1277332), (266, 1094856), (294, 990584), (304, 957999), (336, 866761), (343, 849072), (361, 806736), (392, 742938), (399, 729904), (456, 638666), (532, 547428), (588, 495292), (686, 424536), (722, 403368), (784, 371469), (798, 364952), (912, 319333), (931, 312816), (1029, 283024), (1064, 273714), (1083, 268912), (1176, 247646), (1372, 212268), (1444, 201684), (1596, 182476), (1862, 156408), (2058, 141512), (2128, 136857), (2166, 134456), (2352, 123823), (2401, 121296), (2527, 115248), (2744, 106134), (2793, 104272), (2888, 100842), (3192, 91238), (3724, 78204), (4116, 70756), (4332, 67228), (4802, 60648), (5054, 57624), (5488, 53067), (5586, 52136), (5776, 50421), (6384, 45619), (6517, 44688), (7203, 40432), (7448, 39102), (7581, 38416), (8232, 35378), (8664, 33614), (9604, 30324), (10108, 28812), (11172, 26068), (13034, 22344), (14406, 20216), (14896, 19551), (15162, 19208), (16464, 17689), (16807, 17328)]