208195904

素因数分解:

$2^6\times 7^2\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:560

約数の個数: 84

約数和(自身を含む): 484462836

約数和(自身を除く): 276266932

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 197, 224, 337, 392, 394, 448, 674, 784, 788, 1348, 1379, 1568, 1576, 2359, 2696, 2758, 3136, 3152, 4718, 5392, 5516, 6304, 9436, 9653, 10784, 11032, 12608, 16513, 18872, 19306, 21568, 22064, 33026, 37744, 38612, 44128, 66052, 66389, 75488, 77224, 88256, 132104, 132778, 150976, 154448, 264208, 265556, 308896, 464723, 528416, 531112, 617792, 929446, 1056832, 1062224, 1858892, 2124448, 3253061, 3717784, 4248896, 6506122, 7435568, 13012244, 14871136, 26024488, 29742272, 52048976, 104097952, 208195904]

約数ペア:

[(1, 208195904), (2, 104097952), (4, 52048976), (7, 29742272), (8, 26024488), (14, 14871136), (16, 13012244), (28, 7435568), (32, 6506122), (49, 4248896), (56, 3717784), (64, 3253061), (98, 2124448), (112, 1858892), (196, 1062224), (197, 1056832), (224, 929446), (337, 617792), (392, 531112), (394, 528416), (448, 464723), (674, 308896), (784, 265556), (788, 264208), (1348, 154448), (1379, 150976), (1568, 132778), (1576, 132104), (2359, 88256), (2696, 77224), (2758, 75488), (3136, 66389), (3152, 66052), (4718, 44128), (5392, 38612), (5516, 37744), (6304, 33026), (9436, 22064), (9653, 21568), (10784, 19306), (11032, 18872), (12608, 16513)]