1281276002

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{1597601}}^1$

素因数の和:1598004

約数の個数: 8

約数和(自身を含む): 1926708012

約数和(自身を除く): 645432010

約数列:

[1, 2, 401, 802, 1597601, 3195202, 640638001, 1281276002]

約数ペア:

[(1, 1281276002), (2, 640638001), (401, 3195202), (802, 1597601)]