1980862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 3269952

約数和(自身を除く): 1289090

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 1621, 3242, 21073, 42146, 76187, 152374, 990431, 1980862]

約数ペア:

[(1, 1980862), (2, 990431), (13, 152374), (26, 76187), (47, 42146), (94, 21073), (611, 3242), (1222, 1621)]