209897006

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{867343}}^1$

素因数の和:867367

約数の個数: 12

約数和(自身を含む): 346070256

約数和(自身を除く): 136173250

約数列:

[1, 2, 11, 22, 121, 242, 867343, 1734686, 9540773, 19081546, 104948503, 209897006]

約数ペア:

[(1, 209897006), (2, 104948503), (11, 19081546), (22, 9540773), (121, 1734686), (242, 867343)]