2489893

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 3041920

約数和(自身を除く): 552027

約数列:

[1, 7, 19, 97, 133, 193, 679, 1351, 1843, 3667, 12901, 18721, 25669, 131047, 355699, 2489893]

約数ペア:

[(1, 2489893), (7, 355699), (19, 131047), (97, 25669), (133, 18721), (193, 12901), (679, 3667), (1351, 1843)]