664856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{2027}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 1277640

約数和(自身を除く): 612784

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 2027, 4054, 8108, 16216, 83107, 166214, 332428, 664856]

約数ペア:

[(1, 664856), (2, 332428), (4, 166214), (8, 83107), (41, 16216), (82, 8108), (164, 4054), (328, 2027)]