227871995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 324920160

約数和(自身を除く): 97048165

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 169, 221, 377, 493, 547, 845, 1105, 1885, 2465, 2735, 2873, 4901, 6409, 7111, 9299, 14365, 15863, 24505, 32045, 35555, 46495, 79315, 83317, 92443, 120887, 206219, 269671, 416585, 462215, 604435, 1031095, 1348355, 1571531, 2680847, 3505723, 7857655, 13404235, 17528615, 45574399, 227871995]

約数ペア:

[(1, 227871995), (5, 45574399), (13, 17528615), (17, 13404235), (29, 7857655), (65, 3505723), (85, 2680847), (145, 1571531), (169, 1348355), (221, 1031095), (377, 604435), (493, 462215), (547, 416585), (845, 269671), (1105, 206219), (1885, 120887), (2465, 92443), (2735, 83317), (2873, 79315), (4901, 46495), (6409, 35555), (7111, 32045), (9299, 24505), (14365, 15863)]