289707971

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{1709}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 337567680

約数和(自身を除く): 47859709

約数列:

[1, 7, 61, 397, 427, 1709, 2779, 11963, 24217, 104249, 169519, 678473, 729743, 4749311, 41386853, 289707971]

約数ペア:

[(1, 289707971), (7, 41386853), (61, 4749311), (397, 729743), (427, 678473), (1709, 169519), (2779, 104249), (11963, 24217)]