261222689

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{39323}}^1$

素因数の和:39416

約数の個数: 16

約数和(自身を含む): 325917312

約数和(自身を除く): 64694623

約数列:

[1, 7, 13, 73, 91, 511, 949, 6643, 39323, 275261, 511199, 2870579, 3578393, 20094053, 37317527, 261222689]

約数ペア:

[(1, 261222689), (7, 37317527), (13, 20094053), (73, 3578393), (91, 2870579), (511, 511199), (949, 275261), (6643, 39323)]