28278497

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 4179103

約数列:

[1, 13, 17, 199, 221, 643, 2587, 3383, 8359, 10931, 43979, 127957, 142103, 1663441, 2175269, 28278497]

約数ペア:

[(1, 28278497), (13, 2175269), (17, 1663441), (199, 142103), (221, 127957), (643, 43979), (2587, 10931), (3383, 8359)]