205416002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{21269}}^1$

素因数の和:21721

約数の個数: 16

約数和(自身を含む): 336916800

約数和(自身を除く): 131500798

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 21269, 42538, 233959, 467918, 9337091, 18674182, 102708001, 205416002]

約数ペア:

[(1, 205416002), (2, 102708001), (11, 18674182), (22, 9337091), (439, 467918), (878, 233959), (4829, 42538), (9658, 21269)]