208023985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2383}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 288368640

約数和(自身を除く): 80344655

約数列:

[1, 5, 13, 17, 65, 79, 85, 221, 395, 1027, 1105, 1343, 2383, 5135, 6715, 11915, 17459, 30979, 40511, 87295, 154895, 188257, 202555, 526643, 941285, 2447341, 2633215, 3200369, 12236705, 16001845, 41604797, 208023985]

約数ペア:

[(1, 208023985), (5, 41604797), (13, 16001845), (17, 12236705), (65, 3200369), (79, 2633215), (85, 2447341), (221, 941285), (395, 526643), (1027, 202555), (1105, 188257), (1343, 154895), (2383, 87295), (5135, 40511), (6715, 30979), (11915, 17459)]