2021559911

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{9497}}^1$

素因数の和:10198

約数の個数: 16

約数和(自身を含む): 2363406336

約数和(自身を除く): 341846425

約数列:

[1, 7, 47, 329, 647, 4529, 9497, 30409, 66479, 212863, 446359, 3124513, 6144559, 43011913, 288794273, 2021559911]

約数ペア:

[(1, 2021559911), (7, 288794273), (47, 43011913), (329, 6144559), (647, 3124513), (4529, 446359), (9497, 212863), (30409, 66479)]