28418696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208961}}^1$

素因数の和:208984

約数の個数: 16

約数和(自身を含む): 56419740

約数和(自身を除く): 28001044

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208961, 417922, 835844, 1671688, 3552337, 7104674, 14209348, 28418696]

約数ペア:

[(1, 28418696), (2, 14209348), (4, 7104674), (8, 3552337), (17, 1671688), (34, 835844), (68, 417922), (136, 208961)]