2979988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 5898816

約数和(自身を除く): 2918828

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 131, 188, 242, 262, 484, 517, 524, 1034, 1441, 2068, 2882, 5687, 5764, 6157, 11374, 12314, 15851, 22748, 24628, 31702, 63404, 67727, 135454, 270908, 744997, 1489994, 2979988]

約数ペア:

[(1, 2979988), (2, 1489994), (4, 744997), (11, 270908), (22, 135454), (44, 67727), (47, 63404), (94, 31702), (121, 24628), (131, 22748), (188, 15851), (242, 12314), (262, 11374), (484, 6157), (517, 5764), (524, 5687), (1034, 2882), (1441, 2068)]