638353408

素因数分解:

$2^{15}\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 1673501760

約数和(自身を除く): 1035148352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 121, 128, 154, 161, 176, 184, 224, 242, 253, 256, 308, 322, 352, 368, 448, 484, 506, 512, 616, 644, 704, 736, 847, 896, 968, 1012, 1024, 1232, 1288, 1408, 1472, 1694, 1771, 1792, 1936, 2024, 2048, 2464, 2576, 2783, 2816, 2944, 3388, 3542, 3584, 3872, 4048, 4096, 4928, 5152, 5566, 5632, 5888, 6776, 7084, 7168, 7744, 8096, 8192, 9856, 10304, 11132, 11264, 11776, 13552, 14168, 14336, 15488, 16192, 16384, 19481, 19712, 20608, 22264, 22528, 23552, 27104, 28336, 28672, 30976, 32384, 32768, 38962, 39424, 41216, 44528, 45056, 47104, 54208, 56672, 57344, 61952, 64768, 77924, 78848, 82432, 89056, 90112, 94208, 108416, 113344, 114688, 123904, 129536, 155848, 157696, 164864, 178112, 180224, 188416, 216832, 226688, 229376, 247808, 259072, 311696, 315392, 329728, 356224, 360448, 376832, 433664, 453376, 495616, 518144, 623392, 630784, 659456, 712448, 753664, 867328, 906752, 991232, 1036288, 1246784, 1261568, 1318912, 1424896, 1734656, 1813504, 1982464, 2072576, 2493568, 2523136, 2637824, 2849792, 3469312, 3627008, 3964928, 4145152, 4987136, 5275648, 5699584, 6938624, 7254016, 8290304, 9974272, 11399168, 13877248, 14508032, 19948544, 22798336, 27754496, 29016064, 39897088, 45596672, 58032128, 79794176, 91193344, 159588352, 319176704, 638353408]

約数ペア:

[(1, 638353408), (2, 319176704), (4, 159588352), (7, 91193344), (8, 79794176), (11, 58032128), (14, 45596672), (16, 39897088), (22, 29016064), (23, 27754496), (28, 22798336), (32, 19948544), (44, 14508032), (46, 13877248), (56, 11399168), (64, 9974272), (77, 8290304), (88, 7254016), (92, 6938624), (112, 5699584), (121, 5275648), (128, 4987136), (154, 4145152), (161, 3964928), (176, 3627008), (184, 3469312), (224, 2849792), (242, 2637824), (253, 2523136), (256, 2493568), (308, 2072576), (322, 1982464), (352, 1813504), (368, 1734656), (448, 1424896), (484, 1318912), (506, 1261568), (512, 1246784), (616, 1036288), (644, 991232), (704, 906752), (736, 867328), (847, 753664), (896, 712448), (968, 659456), (1012, 630784), (1024, 623392), (1232, 518144), (1288, 495616), (1408, 453376), (1472, 433664), (1694, 376832), (1771, 360448), (1792, 356224), (1936, 329728), (2024, 315392), (2048, 311696), (2464, 259072), (2576, 247808), (2783, 229376), (2816, 226688), (2944, 216832), (3388, 188416), (3542, 180224), (3584, 178112), (3872, 164864), (4048, 157696), (4096, 155848), (4928, 129536), (5152, 123904), (5566, 114688), (5632, 113344), (5888, 108416), (6776, 94208), (7084, 90112), (7168, 89056), (7744, 82432), (8096, 78848), (8192, 77924), (9856, 64768), (10304, 61952), (11132, 57344), (11264, 56672), (11776, 54208), (13552, 47104), (14168, 45056), (14336, 44528), (15488, 41216), (16192, 39424), (16384, 38962), (19481, 32768), (19712, 32384), (20608, 30976), (22264, 28672), (22528, 28336), (23552, 27104)]