208518784

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{39733}}^1$

素因数の和:39788

約数の個数: 32

約数和(自身を含む): 425551140

約数和(自身を除く): 217032356

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 39733, 79466, 158932, 317864, 635728, 1271456, 1629053, 2542912, 3258106, 5085824, 6516212, 13032424, 26064848, 52129696, 104259392, 208518784]

約数ペア:

[(1, 208518784), (2, 104259392), (4, 52129696), (8, 26064848), (16, 13032424), (32, 6516212), (41, 5085824), (64, 3258106), (82, 2542912), (128, 1629053), (164, 1271456), (328, 635728), (656, 317864), (1312, 158932), (2624, 79466), (5248, 39733)]