26880721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 5375279

約数列:

[1, 7, 23, 161, 199, 839, 1393, 4577, 5873, 19297, 32039, 135079, 166961, 1168727, 3840103, 26880721]

約数ペア:

[(1, 26880721), (7, 3840103), (23, 1168727), (161, 166961), (199, 135079), (839, 32039), (1393, 19297), (4577, 5873)]