320438288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{488473}}^1$

素因数の和:488522

約数の個数: 20

約数和(自身を含む): 635993148

約数和(自身を除く): 315554860

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 488473, 976946, 1953892, 3907784, 7815568, 20027393, 40054786, 80109572, 160219144, 320438288]

約数ペア:

[(1, 320438288), (2, 160219144), (4, 80109572), (8, 40054786), (16, 20027393), (41, 7815568), (82, 3907784), (164, 1953892), (328, 976946), (656, 488473)]