205280204

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{1913}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 363889680

約数和(自身を除く): 158609476

約数列:

[1, 2, 4, 139, 193, 278, 386, 556, 772, 1913, 3826, 7652, 26827, 53654, 107308, 265907, 369209, 531814, 738418, 1063628, 1476836, 51320051, 102640102, 205280204]

約数ペア:

[(1, 205280204), (2, 102640102), (4, 51320051), (139, 1476836), (193, 1063628), (278, 738418), (386, 531814), (556, 369209), (772, 265907), (1913, 107308), (3826, 53654), (7652, 26827)]