1287804568

素因数分解:

$2^3\times {\mathrm{6841}}^1\times {\mathrm{23531}}^1$

素因数の和:30378

約数の個数: 16

約数和(自身を含む): 2415089160

約数和(自身を除く): 1127284592

約数列:

[1, 2, 4, 8, 6841, 13682, 23531, 27364, 47062, 54728, 94124, 188248, 160975571, 321951142, 643902284, 1287804568]

約数ペア:

[(1, 1287804568), (2, 643902284), (4, 321951142), (8, 160975571), (6841, 188248), (13682, 94124), (23531, 54728), (27364, 47062)]