661078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 16

約数和(自身を含む): 1094400

約数和(自身を除く): 433322

約数列:

[1, 2, 11, 22, 151, 199, 302, 398, 1661, 2189, 3322, 4378, 30049, 60098, 330539, 661078]

約数ペア:

[(1, 661078), (2, 330539), (11, 60098), (22, 30049), (151, 4378), (199, 3322), (302, 2189), (398, 1661)]