2196904787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{663517}}^1$

素因数の和:663578

約数の個数: 16

約数和(自身を含む): 2802700032

約数和(自身を除く): 605795245

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 663517, 4644619, 7298687, 28531231, 51090809, 199718617, 313843541, 2196904787]

約数ペア:

[(1, 2196904787), (7, 313843541), (11, 199718617), (43, 51090809), (77, 28531231), (301, 7298687), (473, 4644619), (3311, 663517)]