209572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{433}}^1$

素因数の和:459

約数の個数: 18

約数和(自身を含む): 404054

約数和(自身を除く): 194482

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 433, 484, 866, 1732, 4763, 9526, 19052, 52393, 104786, 209572]

約数ペア:

[(1, 209572), (2, 104786), (4, 52393), (11, 19052), (22, 9526), (44, 4763), (121, 1732), (242, 866), (433, 484)]