9889235

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 12208320

約数和(自身を除く): 2319085

約数列:

[1, 5, 71, 89, 313, 355, 445, 1565, 6319, 22223, 27857, 31595, 111115, 139285, 1977847, 9889235]

約数ペア:

[(1, 9889235), (5, 1977847), (71, 139285), (89, 111115), (313, 31595), (355, 27857), (445, 22223), (1565, 6319)]