28990045

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7741}}^1$

素因数の和:7860

約数の個数: 16

約数和(自身を含む): 40134528

約数和(自身を除く): 11144483

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 7741, 38705, 54187, 270935, 828287, 4141435, 5798009, 28990045]

約数ペア:

[(1, 28990045), (5, 5798009), (7, 4141435), (35, 828287), (107, 270935), (535, 54187), (749, 38705), (3745, 7741)]