221057761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2621}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 244160640

約数和(自身を除く): 23102879

約数列:

[1, 19, 23, 193, 437, 2621, 3667, 4439, 49799, 60283, 84341, 505853, 1145377, 9611207, 11634619, 221057761]

約数ペア:

[(1, 221057761), (19, 11634619), (23, 9611207), (193, 1145377), (437, 505853), (2621, 84341), (3667, 60283), (4439, 49799)]