28111727

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10318

約数の個数: 16

約数和(自身を含む): 35500032

約数和(自身を除く): 7388305

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 10271, 71897, 174607, 236233, 1222249, 1653631, 4015961, 28111727]

約数ペア:

[(1, 28111727), (7, 4015961), (17, 1653631), (23, 1222249), (119, 236233), (161, 174607), (391, 71897), (2737, 10271)]