3947878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 6511680

約数和(自身を除く): 2563802

約数列:

[1, 2, 11, 22, 139, 278, 1291, 1529, 2582, 3058, 14201, 28402, 179449, 358898, 1973939, 3947878]

約数ペア:

[(1, 3947878), (2, 1973939), (11, 358898), (22, 179449), (139, 28402), (278, 14201), (1291, 3058), (1529, 2582)]