161720321

素因数分解:

$7^1\times {\mathrm{71}}^2\times {\mathrm{4583}}^1$

素因数の和:4732

約数の個数: 12

約数和(自身を含む): 187503936

約数和(自身を除く): 25783615

約数列:

[1, 7, 71, 497, 4583, 5041, 32081, 35287, 325393, 2277751, 23102903, 161720321]

約数ペア:

[(1, 161720321), (7, 23102903), (71, 2277751), (497, 325393), (4583, 35287), (5041, 32081)]