664672316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2158027}}^1$

素因数の和:2158049

約数の個数: 24

約数和(自身を含む): 1450194816

約数和(自身を除く): 785522500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2158027, 4316054, 8632108, 15106189, 23738297, 30212378, 47476594, 60424756, 94953188, 166168079, 332336158, 664672316]

約数ペア:

[(1, 664672316), (2, 332336158), (4, 166168079), (7, 94953188), (11, 60424756), (14, 47476594), (22, 30212378), (28, 23738297), (44, 15106189), (77, 8632108), (154, 4316054), (308, 2158027)]