211723622

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{874891}}^1$

素因数の和:874915

約数の個数: 12

約数和(自身を含む): 349081908

約数和(自身を除く): 137358286

約数列:

[1, 2, 11, 22, 121, 242, 874891, 1749782, 9623801, 19247602, 105861811, 211723622]

約数ペア:

[(1, 211723622), (2, 105861811), (11, 19247602), (22, 9623801), (121, 1749782), (242, 874891)]