200512912

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{114973}}^1$

素因数の和:115090

約数の個数: 20

約数和(自身を含む): 392061340

約数和(自身を除く): 191548428

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 114973, 229946, 459892, 919784, 1839568, 12532057, 25064114, 50128228, 100256456, 200512912]

約数ペア:

[(1, 200512912), (2, 100256456), (4, 50128228), (8, 25064114), (16, 12532057), (109, 1839568), (218, 919784), (436, 459892), (872, 229946), (1744, 114973)]