209937712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{320027}}^1$

素因数の和:320076

約数の個数: 20

約数和(自身を含む): 416676456

約数和(自身を除く): 206738744

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 320027, 640054, 1280108, 2560216, 5120432, 13121107, 26242214, 52484428, 104968856, 209937712]

約数ペア:

[(1, 209937712), (2, 104968856), (4, 52484428), (8, 26242214), (16, 13121107), (41, 5120432), (82, 2560216), (164, 1280108), (328, 640054), (656, 320027)]