671531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 16

約数和(自身を含む): 827904

約数和(自身を除く): 156373

約数列:

[1, 7, 23, 43, 97, 161, 301, 679, 989, 2231, 4171, 6923, 15617, 29197, 95933, 671531]

約数ペア:

[(1, 671531), (7, 95933), (23, 29197), (43, 15617), (97, 6923), (161, 4171), (301, 2231), (679, 989)]