1644148916

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{1004981}}^1$

素因数の和:1005394

約数の個数: 12

約数和(自身を含む): 2884298340

約数和(自身を除く): 1240149424

約数列:

[1, 2, 4, 409, 818, 1636, 1004981, 2009962, 4019924, 411037229, 822074458, 1644148916]

約数ペア:

[(1, 1644148916), (2, 822074458), (4, 411037229), (409, 4019924), (818, 2009962), (1636, 1004981)]