256817852272

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{115475653}}^1$

素因数の和:115475800

約数の個数: 20

約数和(自身を含む): 501164338360

約数和(自身を除く): 244346486088

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 115475653, 230951306, 461902612, 923805224, 1847610448, 16051115767, 32102231534, 64204463068, 128408926136, 256817852272]

約数ペア:

[(1, 256817852272), (2, 128408926136), (4, 64204463068), (8, 32102231534), (16, 16051115767), (139, 1847610448), (278, 923805224), (556, 461902612), (1112, 230951306), (2224, 115475653)]