28198768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135571}}^1$

素因数の和:135592

約数の個数: 20

約数和(自身を含む): 58838248

約数和(自身を除く): 30639480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135571, 271142, 542284, 1084568, 1762423, 2169136, 3524846, 7049692, 14099384, 28198768]

約数ペア:

[(1, 28198768), (2, 14099384), (4, 7049692), (8, 3524846), (13, 2169136), (16, 1762423), (26, 1084568), (52, 542284), (104, 271142), (208, 135571)]