13538590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8011}}^1$

素因数の和:8044

約数の個数: 24

約数和(自身を含む): 26391528

約数和(自身を除く): 12852938

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 8011, 16022, 40055, 80110, 104143, 208286, 520715, 1041430, 1353859, 2707718, 6769295, 13538590]

約数ペア:

[(1, 13538590), (2, 6769295), (5, 2707718), (10, 1353859), (13, 1041430), (26, 520715), (65, 208286), (130, 104143), (169, 80110), (338, 40055), (845, 16022), (1690, 8011)]