64788856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17957}}^1$

素因数の和:18015

約数の個数: 32

約数和(自身を含む): 135762480

約数和(自身を除く): 70973624

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 17957, 35914, 71828, 143656, 197527, 395054, 736237, 790108, 1472474, 1580216, 2944948, 5889896, 8098607, 16197214, 32394428, 64788856]

約数ペア:

[(1, 64788856), (2, 32394428), (4, 16197214), (8, 8098607), (11, 5889896), (22, 2944948), (41, 1580216), (44, 1472474), (82, 790108), (88, 736237), (164, 395054), (328, 197527), (451, 143656), (902, 71828), (1804, 35914), (3608, 17957)]