28222523

素因数分解:

$7^1\times {\mathrm{89}}^2\times {\mathrm{509}}^1$

素因数の和:694

約数の個数: 12

約数和(自身を含む): 32684880

約数和(自身を除く): 4462357

約数列:

[1, 7, 89, 509, 623, 3563, 7921, 45301, 55447, 317107, 4031789, 28222523]

約数ペア:

[(1, 28222523), (7, 4031789), (89, 317107), (509, 55447), (623, 45301), (3563, 7921)]