428104912

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{245473}}^1$

素因数の和:245590

約数の個数: 20

約数和(自身を含む): 837066340

約数和(自身を除く): 408961428

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 245473, 490946, 981892, 1963784, 3927568, 26756557, 53513114, 107026228, 214052456, 428104912]

約数ペア:

[(1, 428104912), (2, 214052456), (4, 107026228), (8, 53513114), (16, 26756557), (109, 3927568), (218, 1963784), (436, 981892), (872, 490946), (1744, 245473)]