643557376

素因数分解:

$2^{11}\times 7^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 1676386530

約数和(自身を除く): 1032829154

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 53, 56, 64, 77, 88, 98, 106, 112, 121, 128, 154, 176, 196, 212, 224, 242, 256, 308, 352, 371, 392, 424, 448, 484, 512, 539, 583, 616, 704, 742, 784, 847, 848, 896, 968, 1024, 1078, 1166, 1232, 1408, 1484, 1568, 1694, 1696, 1792, 1936, 2048, 2156, 2332, 2464, 2597, 2816, 2968, 3136, 3388, 3392, 3584, 3872, 4081, 4312, 4664, 4928, 5194, 5632, 5929, 5936, 6272, 6413, 6776, 6784, 7168, 7744, 8162, 8624, 9328, 9856, 10388, 11264, 11858, 11872, 12544, 12826, 13552, 13568, 14336, 15488, 16324, 17248, 18656, 19712, 20776, 22528, 23716, 23744, 25088, 25652, 27104, 27136, 28567, 30976, 32648, 34496, 37312, 39424, 41552, 44891, 47432, 47488, 50176, 51304, 54208, 54272, 57134, 61952, 65296, 68992, 74624, 78848, 83104, 89782, 94864, 94976, 100352, 102608, 108416, 108544, 114268, 123904, 130592, 137984, 149248, 157696, 166208, 179564, 189728, 189952, 205216, 216832, 228536, 247808, 261184, 275968, 298496, 314237, 332416, 359128, 379456, 379904, 410432, 433664, 457072, 522368, 551936, 596992, 628474, 664832, 718256, 758912, 759808, 820864, 867328, 914144, 1044736, 1103872, 1193984, 1256948, 1329664, 1436512, 1517824, 1641728, 1734656, 1828288, 2089472, 2513896, 2659328, 2873024, 3035648, 3283456, 3656576, 4178944, 5027792, 5318656, 5746048, 6071296, 6566912, 7313152, 8357888, 10055584, 11492096, 12142592, 13133824, 14626304, 20111168, 22984192, 29252608, 40222336, 45968384, 58505216, 80444672, 91936768, 160889344, 321778688, 643557376]

約数ペア:

[(1, 643557376), (2, 321778688), (4, 160889344), (7, 91936768), (8, 80444672), (11, 58505216), (14, 45968384), (16, 40222336), (22, 29252608), (28, 22984192), (32, 20111168), (44, 14626304), (49, 13133824), (53, 12142592), (56, 11492096), (64, 10055584), (77, 8357888), (88, 7313152), (98, 6566912), (106, 6071296), (112, 5746048), (121, 5318656), (128, 5027792), (154, 4178944), (176, 3656576), (196, 3283456), (212, 3035648), (224, 2873024), (242, 2659328), (256, 2513896), (308, 2089472), (352, 1828288), (371, 1734656), (392, 1641728), (424, 1517824), (448, 1436512), (484, 1329664), (512, 1256948), (539, 1193984), (583, 1103872), (616, 1044736), (704, 914144), (742, 867328), (784, 820864), (847, 759808), (848, 758912), (896, 718256), (968, 664832), (1024, 628474), (1078, 596992), (1166, 551936), (1232, 522368), (1408, 457072), (1484, 433664), (1568, 410432), (1694, 379904), (1696, 379456), (1792, 359128), (1936, 332416), (2048, 314237), (2156, 298496), (2332, 275968), (2464, 261184), (2597, 247808), (2816, 228536), (2968, 216832), (3136, 205216), (3388, 189952), (3392, 189728), (3584, 179564), (3872, 166208), (4081, 157696), (4312, 149248), (4664, 137984), (4928, 130592), (5194, 123904), (5632, 114268), (5929, 108544), (5936, 108416), (6272, 102608), (6413, 100352), (6776, 94976), (6784, 94864), (7168, 89782), (7744, 83104), (8162, 78848), (8624, 74624), (9328, 68992), (9856, 65296), (10388, 61952), (11264, 57134), (11858, 54272), (11872, 54208), (12544, 51304), (12826, 50176), (13552, 47488), (13568, 47432), (14336, 44891), (15488, 41552), (16324, 39424), (17248, 37312), (18656, 34496), (19712, 32648), (20776, 30976), (22528, 28567), (23716, 27136), (23744, 27104), (25088, 25652)]