2219420912

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{704131}}^1$

素因数の和:704336

約数の個数: 20

約数和(自身を含む): 4321962216

約数和(自身を除く): 2102541304

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 704131, 1408262, 2816524, 5633048, 11266096, 138713807, 277427614, 554855228, 1109710456, 2219420912]

約数ペア:

[(1, 2219420912), (2, 1109710456), (4, 554855228), (8, 277427614), (16, 138713807), (197, 11266096), (394, 5633048), (788, 2816524), (1576, 1408262), (3152, 704131)]