256457824

素因数分解:

$2^5\times 7^1\times {\mathrm{1144901}}^1$

素因数の和:1144918

約数の個数: 24

約数和(自身を含む): 577030608

約数和(自身を除く): 320572784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1144901, 2289802, 4579604, 8014307, 9159208, 16028614, 18318416, 32057228, 36636832, 64114456, 128228912, 256457824]

約数ペア:

[(1, 256457824), (2, 128228912), (4, 64114456), (7, 36636832), (8, 32057228), (14, 18318416), (16, 16028614), (28, 9159208), (32, 8014307), (56, 4579604), (112, 2289802), (224, 1144901)]