208689616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{686479}}^1$

素因数の和:686506

約数の個数: 20

約数和(自身を含む): 425617600

約数和(自身を除く): 216927984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 686479, 1372958, 2745916, 5491832, 10983664, 13043101, 26086202, 52172404, 104344808, 208689616]

約数ペア:

[(1, 208689616), (2, 104344808), (4, 52172404), (8, 26086202), (16, 13043101), (19, 10983664), (38, 5491832), (76, 2745916), (152, 1372958), (304, 686479)]