1989878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 3283200

約数和(自身を除く): 1293322

約数列:

[1, 2, 11, 22, 151, 302, 599, 1198, 1661, 3322, 6589, 13178, 90449, 180898, 994939, 1989878]

約数ペア:

[(1, 1989878), (2, 994939), (11, 180898), (22, 90449), (151, 13178), (302, 6589), (599, 3322), (1198, 1661)]