12644405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 16087680

約数和(自身を除く): 3443275

約数列:

[1, 5, 19, 95, 167, 797, 835, 3173, 3985, 15143, 15865, 75715, 133099, 665495, 2528881, 12644405]

約数ペア:

[(1, 12644405), (5, 2528881), (19, 665495), (95, 133099), (167, 75715), (797, 15865), (835, 15143), (3173, 3985)]