28111408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135151}}^1$

素因数の和:135172

約数の個数: 20

約数和(自身を含む): 58655968

約数和(自身を除く): 30544560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135151, 270302, 540604, 1081208, 1756963, 2162416, 3513926, 7027852, 14055704, 28111408]

約数ペア:

[(1, 28111408), (2, 14055704), (4, 7027852), (8, 3513926), (13, 2162416), (16, 1756963), (26, 1081208), (52, 540604), (104, 270302), (208, 135151)]