207849818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{21521}}^1$

素因数の和:21973

約数の個数: 16

約数和(自身を含む): 340908480

約数和(自身を除く): 133058662

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 21521, 43042, 236731, 473462, 9447719, 18895438, 103924909, 207849818]

約数ペア:

[(1, 207849818), (2, 103924909), (11, 18895438), (22, 9447719), (439, 473462), (878, 236731), (4829, 43042), (9658, 21521)]