207289984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 485585280

約数和(自身を除く): 278295296

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 37, 44, 46, 64, 74, 88, 92, 128, 148, 173, 176, 184, 253, 296, 346, 352, 368, 407, 506, 592, 692, 704, 736, 814, 851, 1012, 1184, 1384, 1408, 1472, 1628, 1702, 1903, 2024, 2368, 2768, 2944, 3256, 3404, 3806, 3979, 4048, 4736, 5536, 6401, 6512, 6808, 7612, 7958, 8096, 9361, 11072, 12802, 13024, 13616, 15224, 15916, 16192, 18722, 22144, 25604, 26048, 27232, 30448, 31832, 32384, 37444, 43769, 51208, 52096, 54464, 60896, 63664, 70411, 74888, 87538, 102416, 108928, 121792, 127328, 140822, 147223, 149776, 175076, 204832, 243584, 254656, 281644, 294446, 299552, 350152, 409664, 509312, 563288, 588892, 599104, 700304, 819328, 1126576, 1177784, 1198208, 1400608, 1619453, 2253152, 2355568, 2801216, 3238906, 4506304, 4711136, 5602432, 6477812, 9012608, 9422272, 12955624, 18844544, 25911248, 51822496, 103644992, 207289984]

約数ペア:

[(1, 207289984), (2, 103644992), (4, 51822496), (8, 25911248), (11, 18844544), (16, 12955624), (22, 9422272), (23, 9012608), (32, 6477812), (37, 5602432), (44, 4711136), (46, 4506304), (64, 3238906), (74, 2801216), (88, 2355568), (92, 2253152), (128, 1619453), (148, 1400608), (173, 1198208), (176, 1177784), (184, 1126576), (253, 819328), (296, 700304), (346, 599104), (352, 588892), (368, 563288), (407, 509312), (506, 409664), (592, 350152), (692, 299552), (704, 294446), (736, 281644), (814, 254656), (851, 243584), (1012, 204832), (1184, 175076), (1384, 149776), (1408, 147223), (1472, 140822), (1628, 127328), (1702, 121792), (1903, 108928), (2024, 102416), (2368, 87538), (2768, 74888), (2944, 70411), (3256, 63664), (3404, 60896), (3806, 54464), (3979, 52096), (4048, 51208), (4736, 43769), (5536, 37444), (6401, 32384), (6512, 31832), (6808, 30448), (7612, 27232), (7958, 26048), (8096, 25604), (9361, 22144), (11072, 18722), (12802, 16192), (13024, 15916), (13616, 15224)]