12821816

素因数分解:

$2^3\times 7^1\times {\mathrm{228961}}^1$

素因数の和:228974

約数の個数: 16

約数和(自身を含む): 27475440

約数和(自身を除く): 14653624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 228961, 457922, 915844, 1602727, 1831688, 3205454, 6410908, 12821816]

約数ペア:

[(1, 12821816), (2, 6410908), (4, 3205454), (7, 1831688), (8, 1602727), (14, 915844), (28, 457922), (56, 228961)]