25872639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12517}}^1$

素因数の和:12586

約数の個数: 16

約数和(自身を含む): 37854432

約数和(自身を除く): 11981793

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 12517, 37551, 162721, 488163, 663401, 1990203, 8624213, 25872639]

約数ペア:

[(1, 25872639), (3, 8624213), (13, 1990203), (39, 663401), (53, 488163), (159, 162721), (689, 37551), (2067, 12517)]