3987478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1083

約数の個数: 16

約数和(自身を含む): 6563520

約数和(自身を除く): 2576042

約数列:

[1, 2, 11, 22, 211, 422, 859, 1718, 2321, 4642, 9449, 18898, 181249, 362498, 1993739, 3987478]

約数ペア:

[(1, 3987478), (2, 1993739), (11, 362498), (22, 181249), (211, 18898), (422, 9449), (859, 4642), (1718, 2321)]