2051225491

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{749443}}^1$

素因数の和:749490

約数の個数: 16

約数和(自身を含む): 2590078464

約数和(自身を除く): 538852973

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 749443, 5246101, 12740531, 17237189, 89183717, 120660323, 293032213, 2051225491]

約数ペア:

[(1, 2051225491), (7, 293032213), (17, 120660323), (23, 89183717), (119, 17237189), (161, 12740531), (391, 5246101), (2737, 749443)]