261397466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{26821}}^1$

素因数の和:27277

約数の個数: 16

約数和(自身を含む): 428722848

約数和(自身を除く): 167325382

約数列:

[1, 2, 11, 22, 443, 886, 4873, 9746, 26821, 53642, 295031, 590062, 11881703, 23763406, 130698733, 261397466]

約数ペア:

[(1, 261397466), (2, 130698733), (11, 23763406), (22, 11881703), (443, 590062), (886, 295031), (4873, 53642), (9746, 26821)]