209848145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{8011}}^1$

素因数の和:8073

約数の個数: 24

約数和(自身を含む): 281509632

約数和(自身を除く): 71661487

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 8011, 26195, 40055, 104143, 248341, 520715, 1241705, 1353859, 3228433, 6769295, 16142165, 41969629, 209848145]

約数ペア:

[(1, 209848145), (5, 41969629), (13, 16142165), (31, 6769295), (65, 3228433), (155, 1353859), (169, 1241705), (403, 520715), (845, 248341), (2015, 104143), (5239, 40055), (8011, 26195)]