1991385088

素因数分解:

$2^{13}\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 252

約数和(自身を含む): 5216379966

約数和(自身を除く): 3224994878

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 49, 56, 64, 77, 82, 88, 98, 112, 121, 128, 154, 164, 176, 196, 224, 242, 256, 287, 308, 328, 352, 392, 448, 451, 484, 512, 539, 574, 616, 656, 704, 784, 847, 896, 902, 968, 1024, 1078, 1148, 1232, 1312, 1408, 1568, 1694, 1792, 1804, 1936, 2009, 2048, 2156, 2296, 2464, 2624, 2816, 3136, 3157, 3388, 3584, 3608, 3872, 4018, 4096, 4312, 4592, 4928, 4961, 5248, 5632, 5929, 6272, 6314, 6776, 7168, 7216, 7744, 8036, 8192, 8624, 9184, 9856, 9922, 10496, 11264, 11858, 12544, 12628, 13552, 14336, 14432, 15488, 16072, 17248, 18368, 19712, 19844, 20992, 22099, 22528, 23716, 25088, 25256, 27104, 28672, 28864, 30976, 32144, 34496, 34727, 36736, 39424, 39688, 41984, 44198, 45056, 47432, 50176, 50512, 54208, 57344, 57728, 61952, 64288, 68992, 69454, 73472, 78848, 79376, 83968, 88396, 90112, 94864, 100352, 101024, 108416, 115456, 123904, 128576, 137984, 138908, 146944, 157696, 158752, 167936, 176792, 189728, 200704, 202048, 216832, 230912, 243089, 247808, 257152, 275968, 277816, 293888, 315392, 317504, 335872, 353584, 379456, 401408, 404096, 433664, 461824, 486178, 495616, 514304, 551936, 555632, 587776, 630784, 635008, 707168, 758912, 808192, 867328, 923648, 972356, 991232, 1028608, 1103872, 1111264, 1175552, 1270016, 1414336, 1517824, 1616384, 1734656, 1847296, 1944712, 2057216, 2207744, 2222528, 2351104, 2540032, 2828672, 3035648, 3232768, 3469312, 3694592, 3889424, 4114432, 4415488, 4445056, 5080064, 5657344, 6071296, 6465536, 6938624, 7778848, 8228864, 8890112, 10160128, 11314688, 12142592, 12931072, 15557696, 16457728, 17780224, 20320256, 22629376, 24285184, 25862144, 31115392, 35560448, 40640512, 45258752, 48570368, 62230784, 71120896, 90517504, 124461568, 142241792, 181035008, 248923136, 284483584, 497846272, 995692544, 1991385088]

約数ペア:

[(1, 1991385088), (2, 995692544), (4, 497846272), (7, 284483584), (8, 248923136), (11, 181035008), (14, 142241792), (16, 124461568), (22, 90517504), (28, 71120896), (32, 62230784), (41, 48570368), (44, 45258752), (49, 40640512), (56, 35560448), (64, 31115392), (77, 25862144), (82, 24285184), (88, 22629376), (98, 20320256), (112, 17780224), (121, 16457728), (128, 15557696), (154, 12931072), (164, 12142592), (176, 11314688), (196, 10160128), (224, 8890112), (242, 8228864), (256, 7778848), (287, 6938624), (308, 6465536), (328, 6071296), (352, 5657344), (392, 5080064), (448, 4445056), (451, 4415488), (484, 4114432), (512, 3889424), (539, 3694592), (574, 3469312), (616, 3232768), (656, 3035648), (704, 2828672), (784, 2540032), (847, 2351104), (896, 2222528), (902, 2207744), (968, 2057216), (1024, 1944712), (1078, 1847296), (1148, 1734656), (1232, 1616384), (1312, 1517824), (1408, 1414336), (1568, 1270016), (1694, 1175552), (1792, 1111264), (1804, 1103872), (1936, 1028608), (2009, 991232), (2048, 972356), (2156, 923648), (2296, 867328), (2464, 808192), (2624, 758912), (2816, 707168), (3136, 635008), (3157, 630784), (3388, 587776), (3584, 555632), (3608, 551936), (3872, 514304), (4018, 495616), (4096, 486178), (4312, 461824), (4592, 433664), (4928, 404096), (4961, 401408), (5248, 379456), (5632, 353584), (5929, 335872), (6272, 317504), (6314, 315392), (6776, 293888), (7168, 277816), (7216, 275968), (7744, 257152), (8036, 247808), (8192, 243089), (8624, 230912), (9184, 216832), (9856, 202048), (9922, 200704), (10496, 189728), (11264, 176792), (11858, 167936), (12544, 158752), (12628, 157696), (13552, 146944), (14336, 138908), (14432, 137984), (15488, 128576), (16072, 123904), (17248, 115456), (18368, 108416), (19712, 101024), (19844, 100352), (20992, 94864), (22099, 90112), (22528, 88396), (23716, 83968), (25088, 79376), (25256, 78848), (27104, 73472), (28672, 69454), (28864, 68992), (30976, 64288), (32144, 61952), (34496, 57728), (34727, 57344), (36736, 54208), (39424, 50512), (39688, 50176), (41984, 47432), (44198, 45056)]