208654012

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{53611}}^1$

素因数の和:53761

約数の個数: 24

約数和(自身を含む): 420318080

約数和(自身を除く): 211664068

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 53611, 107222, 214444, 375277, 750554, 1501108, 7451929, 14903858, 29807716, 52163503, 104327006, 208654012]

約数ペア:

[(1, 208654012), (2, 104327006), (4, 52163503), (7, 29807716), (14, 14903858), (28, 7451929), (139, 1501108), (278, 750554), (556, 375277), (973, 214444), (1946, 107222), (3892, 53611)]