2811884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{9901}}^1$

素因数の和:9976

約数の個数: 12

約数和(自身を含む): 4990608

約数和(自身を除く): 2178724

約数列:

[1, 2, 4, 71, 142, 284, 9901, 19802, 39604, 702971, 1405942, 2811884]

約数ペア:

[(1, 2811884), (2, 1405942), (4, 702971), (71, 39604), (142, 19802), (284, 9901)]