2389919

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2886720

約数和(自身を除く): 496801

約数列:

[1, 7, 29, 61, 193, 203, 427, 1351, 1769, 5597, 11773, 12383, 39179, 82411, 341417, 2389919]

約数ペア:

[(1, 2389919), (7, 341417), (29, 82411), (61, 39179), (193, 12383), (203, 11773), (427, 5597), (1351, 1769)]