221122048

素因数分解:

$2^9\times 7^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 80

約数和(自身を含む): 510681600

約数和(自身を除く): 289559552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 512, 599, 721, 824, 896, 1198, 1442, 1648, 1792, 2396, 2884, 3296, 3584, 4193, 4792, 5768, 6592, 8386, 9584, 11536, 13184, 16772, 19168, 23072, 26368, 33544, 38336, 46144, 52736, 61697, 67088, 76672, 92288, 123394, 134176, 153344, 184576, 246788, 268352, 306688, 369152, 431879, 493576, 536704, 863758, 987152, 1073408, 1727516, 1974304, 2146816, 3455032, 3948608, 6910064, 7897216, 13820128, 15794432, 27640256, 31588864, 55280512, 110561024, 221122048]

約数ペア:

[(1, 221122048), (2, 110561024), (4, 55280512), (7, 31588864), (8, 27640256), (14, 15794432), (16, 13820128), (28, 7897216), (32, 6910064), (56, 3948608), (64, 3455032), (103, 2146816), (112, 1974304), (128, 1727516), (206, 1073408), (224, 987152), (256, 863758), (412, 536704), (448, 493576), (512, 431879), (599, 369152), (721, 306688), (824, 268352), (896, 246788), (1198, 184576), (1442, 153344), (1648, 134176), (1792, 123394), (2396, 92288), (2884, 76672), (3296, 67088), (3584, 61697), (4193, 52736), (4792, 46144), (5768, 38336), (6592, 33544), (8386, 26368), (9584, 23072), (11536, 19168), (13184, 16772)]