28654885

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9199}}^1$

素因数の和:9300

約数の個数: 16

約数和(自身を含む): 39744000

約数和(自身を除く): 11089115

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9199, 45995, 64393, 321965, 818711, 4093555, 5730977, 28654885]

約数ペア:

[(1, 28654885), (5, 5730977), (7, 4093555), (35, 818711), (89, 321965), (445, 64393), (623, 45995), (3115, 9199)]