30257353

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 36936000

約数和(自身を除く): 6678647

約数列:

[1, 7, 29, 49, 107, 199, 203, 749, 1393, 1421, 3103, 5243, 5771, 9751, 21293, 21721, 40397, 149051, 152047, 282779, 617497, 1043357, 4322479, 30257353]

約数ペア:

[(1, 30257353), (7, 4322479), (29, 1043357), (49, 617497), (107, 282779), (199, 152047), (203, 149051), (749, 40397), (1393, 21721), (1421, 21293), (3103, 9751), (5243, 5771)]