25439456

素因数分解:

$2^5\times 7^1\times {\mathrm{337}}^2$

素因数の和:691

約数の個数: 36

約数和(自身を含む): 57409128

約数和(自身を除く): 31969672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 337, 674, 1348, 2359, 2696, 4718, 5392, 9436, 10784, 18872, 37744, 75488, 113569, 227138, 454276, 794983, 908552, 1589966, 1817104, 3179932, 3634208, 6359864, 12719728, 25439456]

約数ペア:

[(1, 25439456), (2, 12719728), (4, 6359864), (7, 3634208), (8, 3179932), (14, 1817104), (16, 1589966), (28, 908552), (32, 794983), (56, 454276), (112, 227138), (224, 113569), (337, 75488), (674, 37744), (1348, 18872), (2359, 10784), (2696, 9436), (4718, 5392)]