256475384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{15101}}^1$

素因数の和:15311

約数の個数: 32

約数和(自身を含む): 527361840

約数和(自身を除く): 270886456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1544, 2123, 4246, 8492, 15101, 16984, 30202, 60404, 120808, 166111, 332222, 664444, 1328888, 2914493, 5828986, 11657972, 23315944, 32059423, 64118846, 128237692, 256475384]

約数ペア:

[(1, 256475384), (2, 128237692), (4, 64118846), (8, 32059423), (11, 23315944), (22, 11657972), (44, 5828986), (88, 2914493), (193, 1328888), (386, 664444), (772, 332222), (1544, 166111), (2123, 120808), (4246, 60404), (8492, 30202), (15101, 16984)]