56868889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19961}}^1$

素因数の和:20016

約数の個数: 16

約数和(自身を含む): 72821376

約数和(自身を除く): 15952487

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 19961, 139727, 219571, 738557, 1536997, 5169899, 8124127, 56868889]

約数ペア:

[(1, 56868889), (7, 8124127), (11, 5169899), (37, 1536997), (77, 738557), (259, 219571), (407, 139727), (2849, 19961)]