209938141

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 245203200

約数和(自身を除く): 35265059

約数列:

[1, 7, 53, 371, 439, 1289, 3073, 9023, 23267, 68317, 162869, 478219, 565871, 3961097, 29991163, 209938141]

約数ペア:

[(1, 209938141), (7, 29991163), (53, 3961097), (371, 565871), (439, 478219), (1289, 162869), (3073, 68317), (9023, 23267)]