1640987636

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{1310693}}^1$

素因数の和:1311010

約数の個数: 12

約数和(自身を含む): 2880905412

約数和(自身を除く): 1239917776

約数列:

[1, 2, 4, 313, 626, 1252, 1310693, 2621386, 5242772, 410246909, 820493818, 1640987636]

約数ペア:

[(1, 1640987636), (2, 820493818), (4, 410246909), (313, 5242772), (626, 2621386), (1252, 1310693)]