16816289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 20217600

約数和(自身を除く): 3401311

約数列:

[1, 7, 23, 149, 161, 701, 1043, 3427, 4907, 16123, 23989, 104449, 112861, 731143, 2402327, 16816289]

約数ペア:

[(1, 16816289), (7, 2402327), (23, 731143), (149, 112861), (161, 104449), (701, 23989), (1043, 16123), (3427, 4907)]