205990012

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{971651}}^1$

素因数の和:971708

約数の個数: 12

約数和(自身を含む): 367284456

約数和(自身を除く): 161294444

約数列:

[1, 2, 4, 53, 106, 212, 971651, 1943302, 3886604, 51497503, 102995006, 205990012]

約数ペア:

[(1, 205990012), (2, 102995006), (4, 51497503), (53, 3886604), (106, 1943302), (212, 971651)]