208882688

素因数分解:

$2^{10}\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 132

約数和(自身を含む): 509653872

約数和(自身を除く): 300771184

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 181, 184, 196, 224, 256, 322, 362, 368, 392, 448, 512, 644, 724, 736, 784, 896, 1024, 1127, 1267, 1288, 1448, 1472, 1568, 1792, 2254, 2534, 2576, 2896, 2944, 3136, 3584, 4163, 4508, 5068, 5152, 5792, 5888, 6272, 7168, 8326, 8869, 9016, 10136, 10304, 11584, 11776, 12544, 16652, 17738, 18032, 20272, 20608, 23168, 23552, 25088, 29141, 33304, 35476, 36064, 40544, 41216, 46336, 50176, 58282, 66608, 70952, 72128, 81088, 82432, 92672, 116564, 133216, 141904, 144256, 162176, 164864, 185344, 203987, 233128, 266432, 283808, 288512, 324352, 407974, 466256, 532864, 567616, 577024, 648704, 815948, 932512, 1065728, 1135232, 1154048, 1297408, 1631896, 1865024, 2131456, 2270464, 3263792, 3730048, 4262912, 4540928, 6527584, 7460096, 9081856, 13055168, 14920192, 26110336, 29840384, 52220672, 104441344, 208882688]

約数ペア:

[(1, 208882688), (2, 104441344), (4, 52220672), (7, 29840384), (8, 26110336), (14, 14920192), (16, 13055168), (23, 9081856), (28, 7460096), (32, 6527584), (46, 4540928), (49, 4262912), (56, 3730048), (64, 3263792), (92, 2270464), (98, 2131456), (112, 1865024), (128, 1631896), (161, 1297408), (181, 1154048), (184, 1135232), (196, 1065728), (224, 932512), (256, 815948), (322, 648704), (362, 577024), (368, 567616), (392, 532864), (448, 466256), (512, 407974), (644, 324352), (724, 288512), (736, 283808), (784, 266432), (896, 233128), (1024, 203987), (1127, 185344), (1267, 164864), (1288, 162176), (1448, 144256), (1472, 141904), (1568, 133216), (1792, 116564), (2254, 92672), (2534, 82432), (2576, 81088), (2896, 72128), (2944, 70952), (3136, 66608), (3584, 58282), (4163, 50176), (4508, 46336), (5068, 41216), (5152, 40544), (5792, 36064), (5888, 35476), (6272, 33304), (7168, 29141), (8326, 25088), (8869, 23552), (9016, 23168), (10136, 20608), (10304, 20272), (11584, 18032), (11776, 17738), (12544, 16652)]