56721766

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{2689}}^1$

素因数の和:2943

約数の個数: 16

約数和(自身を含む): 87156000

約数和(自身を除く): 30434234

約数列:

[1, 2, 53, 106, 199, 398, 2689, 5378, 10547, 21094, 142517, 285034, 535111, 1070222, 28360883, 56721766]

約数ペア:

[(1, 56721766), (2, 28360883), (53, 1070222), (106, 535111), (199, 285034), (398, 142517), (2689, 21094), (5378, 10547)]