64839971

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 75456000

約数和(自身を除く): 10616029

約数列:

[1, 7, 89, 199, 523, 623, 1393, 3661, 17711, 46547, 104077, 123977, 325829, 728539, 9262853, 64839971]

約数ペア:

[(1, 64839971), (7, 9262853), (89, 728539), (199, 325829), (523, 123977), (623, 104077), (1393, 46547), (3661, 17711)]