28498309

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 35389760

約数和(自身を除く): 6891451

約数列:

[1, 7, 19, 47, 97, 133, 329, 679, 893, 1843, 2209, 4559, 6251, 12901, 15463, 31913, 41971, 86621, 214273, 293797, 606347, 1499911, 4071187, 28498309]

約数ペア:

[(1, 28498309), (7, 4071187), (19, 1499911), (47, 606347), (97, 293797), (133, 214273), (329, 86621), (679, 41971), (893, 31913), (1843, 15463), (2209, 12901), (4559, 6251)]