28031885

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8999}}^1$

素因数の和:9100

約数の個数: 16

約数和(自身を含む): 38880000

約数和(自身を除く): 10848115

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 8999, 44995, 62993, 314965, 800911, 4004555, 5606377, 28031885]

約数ペア:

[(1, 28031885), (5, 5606377), (7, 4004555), (35, 800911), (89, 314965), (445, 62993), (623, 44995), (3115, 8999)]