81279553912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{2113}}^1\times {\mathrm{111821}}^1$

素因数の和:113983

約数の個数: 32

約数和(自身を含む): 156018527280

約数和(自身を除く): 74738973368

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 2113, 4226, 8452, 16904, 90859, 111821, 181718, 223642, 363436, 447284, 726872, 894568, 4808303, 9616606, 19233212, 38466424, 236277773, 472555546, 945111092, 1890222184, 10159944239, 20319888478, 40639776956, 81279553912]

約数ペア:

[(1, 81279553912), (2, 40639776956), (4, 20319888478), (8, 10159944239), (43, 1890222184), (86, 945111092), (172, 472555546), (344, 236277773), (2113, 38466424), (4226, 19233212), (8452, 9616606), (16904, 4808303), (90859, 894568), (111821, 726872), (181718, 447284), (223642, 363436)]