1666288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8032

約数の個数: 20

約数和(自身を含む): 3477208

約数和(自身を除く): 1810920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8011, 16022, 32044, 64088, 104143, 128176, 208286, 416572, 833144, 1666288]

約数ペア:

[(1, 1666288), (2, 833144), (4, 416572), (8, 208286), (13, 128176), (16, 104143), (26, 64088), (52, 32044), (104, 16022), (208, 8011)]