38889011

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 45421824

約数和(自身を除く): 6532813

約数列:

[1, 7, 67, 283, 293, 469, 1981, 2051, 18961, 19631, 82919, 132727, 137417, 580433, 5555573, 38889011]

約数ペア:

[(1, 38889011), (7, 5555573), (67, 580433), (283, 137417), (293, 132727), (469, 82919), (1981, 19631), (2051, 18961)]