129590416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261271}}^1$

素因数の和:261310

約数の個数: 20

約数和(自身を含む): 259181824

約数和(自身を除く): 129591408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261271, 522542, 1045084, 2090168, 4180336, 8099401, 16198802, 32397604, 64795208, 129590416]

約数ペア:

[(1, 129590416), (2, 64795208), (4, 32397604), (8, 16198802), (16, 8099401), (31, 4180336), (62, 2090168), (124, 1045084), (248, 522542), (496, 261271)]