28222256

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19819}}^1$

素因数の和:19916

約数の個数: 20

約数和(自身を含む): 55297800

約数和(自身を除く): 27075544

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19819, 39638, 79276, 158552, 317104, 1763891, 3527782, 7055564, 14111128, 28222256]

約数ペア:

[(1, 28222256), (2, 14111128), (4, 7055564), (8, 3527782), (16, 1763891), (89, 317104), (178, 158552), (356, 79276), (712, 39638), (1424, 19819)]