168190945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8011}}^1$

素因数の和:8065

約数の個数: 32

約数和(自身を含む): 242282880

約数和(自身を除く): 74091935

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 8011, 20995, 40055, 104143, 136187, 152209, 520715, 680935, 761045, 1770431, 1978717, 2587553, 8852155, 9893585, 12937765, 33638189, 168190945]

約数ペア:

[(1, 168190945), (5, 33638189), (13, 12937765), (17, 9893585), (19, 8852155), (65, 2587553), (85, 1978717), (95, 1770431), (221, 761045), (247, 680935), (323, 520715), (1105, 152209), (1235, 136187), (1615, 104143), (4199, 40055), (8011, 20995)]