2647731457

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{198139}}^1$

素因数の和:198252

約数の個数: 16

約数和(自身を含む): 3195601920

約数和(自身を除く): 547870463

約数列:

[1, 7, 23, 83, 161, 581, 1909, 13363, 198139, 1386973, 4557197, 16445537, 31900379, 115118759, 378247351, 2647731457]

約数ペア:

[(1, 2647731457), (7, 378247351), (23, 115118759), (83, 31900379), (161, 16445537), (581, 4557197), (1909, 1386973), (13363, 198139)]