208575554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{21997}}^1$

素因数の和:22441

約数の個数: 16

約数和(自身を含む): 342112896

約数和(自身を除く): 133537342

約数列:

[1, 2, 11, 22, 431, 862, 4741, 9482, 21997, 43994, 241967, 483934, 9480707, 18961414, 104287777, 208575554]

約数ペア:

[(1, 208575554), (2, 104287777), (11, 18961414), (22, 9480707), (431, 483934), (862, 241967), (4741, 43994), (9482, 21997)]