28147754

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 14620246

約数列:

[1, 2, 197, 199, 359, 394, 398, 718, 39203, 70723, 71441, 78406, 141446, 142882, 14073877, 28147754]

約数ペア:

[(1, 28147754), (2, 14073877), (197, 142882), (199, 141446), (359, 78406), (394, 71441), (398, 70723), (718, 39203)]