2781065

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 3843840

約数和(自身を除く): 1062775

約数列:

[1, 5, 7, 35, 181, 439, 905, 1267, 2195, 3073, 6335, 15365, 79459, 397295, 556213, 2781065]

約数ペア:

[(1, 2781065), (5, 556213), (7, 397295), (35, 79459), (181, 15365), (439, 6335), (905, 3073), (1267, 2195)]