209451844

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{21191}}^1$

素因数の和:21555

約数の個数: 24

約数和(自身を含む): 420110208

約数和(自身を除く): 210658364

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 9884, 21191, 42382, 84764, 148337, 296674, 593348, 7480423, 14960846, 29921692, 52362961, 104725922, 209451844]

約数ペア:

[(1, 209451844), (2, 104725922), (4, 52362961), (7, 29921692), (14, 14960846), (28, 7480423), (353, 593348), (706, 296674), (1412, 148337), (2471, 84764), (4942, 42382), (9884, 21191)]