206519612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3971531}}^1$

素因数の和:3971548

約数の個数: 12

約数和(自身を含む): 389210136

約数和(自身を除く): 182690524

約数列:

[1, 2, 4, 13, 26, 52, 3971531, 7943062, 15886124, 51629903, 103259806, 206519612]

約数ペア:

[(1, 206519612), (2, 103259806), (4, 51629903), (13, 15886124), (26, 7943062), (52, 3971531)]