1997982287

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{11243}}^1$

素因数の和:11782

約数の個数: 16

約数和(自身を含む): 2331555840

約数和(自身を除く): 333573553

約数列:

[1, 7, 53, 371, 479, 3353, 11243, 25387, 78701, 177709, 595879, 4171153, 5385397, 37697779, 285426041, 1997982287]

約数ペア:

[(1, 1997982287), (7, 285426041), (53, 37697779), (371, 5385397), (479, 4171153), (3353, 595879), (11243, 177709), (25387, 78701)]