26704912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128389}}^1$

素因数の和:128410

約数の個数: 20

約数和(自身を含む): 55721260

約数和(自身を除く): 29016348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128389, 256778, 513556, 1027112, 1669057, 2054224, 3338114, 6676228, 13352456, 26704912]

約数ペア:

[(1, 26704912), (2, 13352456), (4, 6676228), (8, 3338114), (13, 2054224), (16, 1669057), (26, 1027112), (52, 513556), (104, 256778), (208, 128389)]