2561036648944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65479}}^1\times {\mathrm{128659}}^1$

素因数の和:194165

約数の個数: 40

約数和(自身を含む): 5223287216000

約数和(自身を除く): 2662250567056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65479, 128659, 130958, 257318, 261916, 514636, 523832, 1029272, 1047664, 1244101, 2058544, 2444521, 2488202, 4889042, 4976404, 9778084, 9952808, 19556168, 19905616, 39112336, 8424462661, 16848925322, 33697850644, 67395701288, 134791402576, 160064790559, 320129581118, 640259162236, 1280518324472, 2561036648944]

約数ペア:

[(1, 2561036648944), (2, 1280518324472), (4, 640259162236), (8, 320129581118), (16, 160064790559), (19, 134791402576), (38, 67395701288), (76, 33697850644), (152, 16848925322), (304, 8424462661), (65479, 39112336), (128659, 19905616), (130958, 19556168), (257318, 9952808), (261916, 9778084), (514636, 4976404), (523832, 4889042), (1029272, 2488202), (1047664, 2444521), (1244101, 2058544)]