247387609

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1\times {\mathrm{1361}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 295499520

約数和(自身を除く): 48111911

約数列:

[1, 7, 23, 161, 1129, 1361, 7903, 9527, 25967, 31303, 181769, 219121, 1536569, 10755983, 35341087, 247387609]

約数ペア:

[(1, 247387609), (7, 35341087), (23, 10755983), (161, 1536569), (1129, 219121), (1361, 181769), (7903, 31303), (9527, 25967)]