2978855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 3997728

約数和(自身を除く): 1018873

約数列:

[1, 5, 11, 41, 55, 205, 451, 1321, 2255, 6605, 14531, 54161, 72655, 270805, 595771, 2978855]

約数ペア:

[(1, 2978855), (5, 595771), (11, 270805), (41, 72655), (55, 54161), (205, 14531), (451, 6605), (1321, 2255)]