66304889

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 81806400

約数和(自身を除く): 15501511

約数列:

[1, 7, 19, 49, 133, 229, 311, 931, 1603, 2177, 4351, 5909, 11221, 15239, 30457, 41363, 71219, 213199, 289541, 498533, 1353161, 3489731, 9472127, 66304889]

約数ペア:

[(1, 66304889), (7, 9472127), (19, 3489731), (49, 1353161), (133, 498533), (229, 289541), (311, 213199), (931, 71219), (1603, 41363), (2177, 30457), (4351, 15239), (5909, 11221)]