128434208

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 305835264

約数和(自身を除く): 177401056

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 97, 112, 161, 184, 194, 224, 257, 322, 368, 388, 514, 644, 679, 736, 776, 1028, 1288, 1358, 1552, 1799, 2056, 2231, 2576, 2716, 3104, 3598, 4112, 4462, 5152, 5432, 5911, 7196, 8224, 8924, 10864, 11822, 14392, 15617, 17848, 21728, 23644, 24929, 28784, 31234, 35696, 41377, 47288, 49858, 57568, 62468, 71392, 82754, 94576, 99716, 124936, 165508, 174503, 189152, 199432, 249872, 331016, 349006, 398864, 499744, 573367, 662032, 698012, 797728, 1146734, 1324064, 1396024, 2293468, 2792048, 4013569, 4586936, 5584096, 8027138, 9173872, 16054276, 18347744, 32108552, 64217104, 128434208]

約数ペア:

[(1, 128434208), (2, 64217104), (4, 32108552), (7, 18347744), (8, 16054276), (14, 9173872), (16, 8027138), (23, 5584096), (28, 4586936), (32, 4013569), (46, 2792048), (56, 2293468), (92, 1396024), (97, 1324064), (112, 1146734), (161, 797728), (184, 698012), (194, 662032), (224, 573367), (257, 499744), (322, 398864), (368, 349006), (388, 331016), (514, 249872), (644, 199432), (679, 189152), (736, 174503), (776, 165508), (1028, 124936), (1288, 99716), (1358, 94576), (1552, 82754), (1799, 71392), (2056, 62468), (2231, 57568), (2576, 49858), (2716, 47288), (3104, 41377), (3598, 35696), (4112, 31234), (4462, 28784), (5152, 24929), (5432, 23644), (5911, 21728), (7196, 17848), (8224, 15617), (8924, 14392), (10864, 11822)]