201991370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2885591}}^1$

素因数の和:2885605

約数の個数: 16

約数和(自身を含む): 415525248

約数和(自身を除く): 213533878

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2885591, 5771182, 14427955, 20199137, 28855910, 40398274, 100995685, 201991370]

約数ペア:

[(1, 201991370), (2, 100995685), (5, 40398274), (7, 28855910), (10, 20199137), (14, 14427955), (35, 5771182), (70, 2885591)]