2586493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 3262336

約数和(自身を除く): 675843

約数列:

[1, 7, 13, 43, 91, 301, 559, 661, 3913, 4627, 8593, 28423, 60151, 198961, 369499, 2586493]

約数ペア:

[(1, 2586493), (7, 369499), (13, 198961), (43, 60151), (91, 28423), (301, 8593), (559, 4627), (661, 3913)]