207628043

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{199}}^2$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 245014956

約数和(自身を除く): 37386913

約数列:

[1, 7, 49, 107, 199, 749, 1393, 5243, 9751, 21293, 39601, 149051, 277207, 1043357, 1940449, 4237307, 29661149, 207628043]

約数ペア:

[(1, 207628043), (7, 29661149), (49, 4237307), (107, 1940449), (199, 1043357), (749, 277207), (1393, 149051), (5243, 39601), (9751, 21293)]