256516864

素因数分解:

$2^8\times {\mathrm{131}}^1\times {\mathrm{7649}}^1$

素因数の和:7796

約数の個数: 36

約数和(自身を含む): 516007800

約数和(自身を除く): 259490936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 524, 1048, 2096, 4192, 7649, 8384, 15298, 16768, 30596, 33536, 61192, 122384, 244768, 489536, 979072, 1002019, 1958144, 2004038, 4008076, 8016152, 16032304, 32064608, 64129216, 128258432, 256516864]

約数ペア:

[(1, 256516864), (2, 128258432), (4, 64129216), (8, 32064608), (16, 16032304), (32, 8016152), (64, 4008076), (128, 2004038), (131, 1958144), (256, 1002019), (262, 979072), (524, 489536), (1048, 244768), (2096, 122384), (4192, 61192), (7649, 33536), (8384, 30596), (15298, 16768)]