255648512

素因数分解:

$2^8\times 7^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 586317312

約数和(自身を除く): 330668800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 331, 431, 448, 662, 862, 896, 1324, 1724, 1792, 2317, 2648, 3017, 3448, 4634, 5296, 6034, 6896, 9268, 10592, 12068, 13792, 18536, 21184, 24136, 27584, 37072, 42368, 48272, 55168, 74144, 84736, 96544, 110336, 142661, 148288, 193088, 285322, 296576, 386176, 570644, 593152, 772352, 998627, 1141288, 1997254, 2282576, 3994508, 4565152, 7989016, 9130304, 15978032, 18260608, 31956064, 36521216, 63912128, 127824256, 255648512]

約数ペア:

[(1, 255648512), (2, 127824256), (4, 63912128), (7, 36521216), (8, 31956064), (14, 18260608), (16, 15978032), (28, 9130304), (32, 7989016), (56, 4565152), (64, 3994508), (112, 2282576), (128, 1997254), (224, 1141288), (256, 998627), (331, 772352), (431, 593152), (448, 570644), (662, 386176), (862, 296576), (896, 285322), (1324, 193088), (1724, 148288), (1792, 142661), (2317, 110336), (2648, 96544), (3017, 84736), (3448, 74144), (4634, 55168), (5296, 48272), (6034, 42368), (6896, 37072), (9268, 27584), (10592, 24136), (12068, 21184), (13792, 18536)]