12892985

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 17884800

約数和(自身を除く): 4991815

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 4139, 20695, 28973, 144865, 368371, 1841855, 2578597, 12892985]

約数ペア:

[(1, 12892985), (5, 2578597), (7, 1841855), (35, 368371), (89, 144865), (445, 28973), (623, 20695), (3115, 4139)]