2017706761

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{49433}}^1$

素因数の和:49478

約数の個数: 20

約数和(自身を含む): 2492363412

約数和(自身を除く): 474656651

約数列:

[1, 7, 17, 49, 119, 343, 833, 2401, 5831, 40817, 49433, 346031, 840361, 2422217, 5882527, 16955519, 41177689, 118688633, 288243823, 2017706761]

約数ペア:

[(1, 2017706761), (7, 288243823), (17, 118688633), (49, 41177689), (119, 16955519), (343, 5882527), (833, 2422217), (2401, 840361), (5831, 346031), (40817, 49433)]