28180523

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 33175296

約数和(自身を除く): 4994773

約数列:

[1, 7, 43, 251, 301, 373, 1757, 2611, 10793, 16039, 75551, 93623, 112273, 655361, 4025789, 28180523]

約数ペア:

[(1, 28180523), (7, 4025789), (43, 655361), (251, 112273), (301, 93623), (373, 75551), (1757, 16039), (2611, 10793)]