22078975

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{919}}^1$

素因数の和:991

約数の個数: 18

約数和(自身を含む): 28320360

約数和(自身を除く): 6241385

約数列:

[1, 5, 25, 31, 155, 775, 919, 961, 4595, 4805, 22975, 24025, 28489, 142445, 712225, 883159, 4415795, 22078975]

約数ペア:

[(1, 22078975), (5, 4415795), (25, 883159), (31, 712225), (155, 142445), (775, 28489), (919, 24025), (961, 22975), (4595, 4805)]