647181792

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:454

約数の個数: 192

約数和(自身を含む): 1981163520

約数和(自身を除く): 1333981728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 73, 93, 96, 108, 124, 144, 146, 186, 216, 219, 248, 279, 288, 292, 331, 372, 432, 438, 496, 558, 584, 657, 662, 744, 837, 864, 876, 992, 993, 1116, 1168, 1314, 1324, 1488, 1674, 1752, 1971, 1986, 2232, 2263, 2336, 2628, 2648, 2976, 2979, 3348, 3504, 3942, 3972, 4464, 4526, 5256, 5296, 5958, 6696, 6789, 7008, 7884, 7944, 8928, 8937, 9052, 10261, 10512, 10592, 11916, 13392, 13578, 15768, 15888, 17874, 18104, 20367, 20522, 21024, 23832, 24163, 26784, 27156, 30783, 31536, 31776, 35748, 36208, 40734, 41044, 47664, 48326, 54312, 61101, 61566, 63072, 71496, 72416, 72489, 81468, 82088, 92349, 95328, 96652, 108624, 122202, 123132, 142992, 144978, 162936, 164176, 184698, 193304, 217248, 217467, 244404, 246264, 277047, 285984, 289956, 325872, 328352, 369396, 386608, 434934, 488808, 492528, 554094, 579912, 651744, 652401, 738792, 749053, 773216, 869868, 977616, 985056, 1108188, 1159824, 1304802, 1477584, 1498106, 1739736, 1955232, 2216376, 2247159, 2319648, 2609604, 2955168, 2996212, 3479472, 4432752, 4494318, 5219208, 5992424, 6741477, 6958944, 8865504, 8988636, 10438416, 11984848, 13482954, 17977272, 20224431, 20876832, 23969696, 26965908, 35954544, 40448862, 53931816, 71909088, 80897724, 107863632, 161795448, 215727264, 323590896, 647181792]

約数ペア:

[(1, 647181792), (2, 323590896), (3, 215727264), (4, 161795448), (6, 107863632), (8, 80897724), (9, 71909088), (12, 53931816), (16, 40448862), (18, 35954544), (24, 26965908), (27, 23969696), (31, 20876832), (32, 20224431), (36, 17977272), (48, 13482954), (54, 11984848), (62, 10438416), (72, 8988636), (73, 8865504), (93, 6958944), (96, 6741477), (108, 5992424), (124, 5219208), (144, 4494318), (146, 4432752), (186, 3479472), (216, 2996212), (219, 2955168), (248, 2609604), (279, 2319648), (288, 2247159), (292, 2216376), (331, 1955232), (372, 1739736), (432, 1498106), (438, 1477584), (496, 1304802), (558, 1159824), (584, 1108188), (657, 985056), (662, 977616), (744, 869868), (837, 773216), (864, 749053), (876, 738792), (992, 652401), (993, 651744), (1116, 579912), (1168, 554094), (1314, 492528), (1324, 488808), (1488, 434934), (1674, 386608), (1752, 369396), (1971, 328352), (1986, 325872), (2232, 289956), (2263, 285984), (2336, 277047), (2628, 246264), (2648, 244404), (2976, 217467), (2979, 217248), (3348, 193304), (3504, 184698), (3942, 164176), (3972, 162936), (4464, 144978), (4526, 142992), (5256, 123132), (5296, 122202), (5958, 108624), (6696, 96652), (6789, 95328), (7008, 92349), (7884, 82088), (7944, 81468), (8928, 72489), (8937, 72416), (9052, 71496), (10261, 63072), (10512, 61566), (10592, 61101), (11916, 54312), (13392, 48326), (13578, 47664), (15768, 41044), (15888, 40734), (17874, 36208), (18104, 35748), (20367, 31776), (20522, 31536), (21024, 30783), (23832, 27156), (24163, 26784)]