1279789904

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{208843}}^1$

素因数の和:209234

約数の個数: 20

約数和(自身を含む): 2486078976

約数和(自身を除く): 1206289072

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128, 208843, 417686, 835372, 1670744, 3341488, 79986869, 159973738, 319947476, 639894952, 1279789904]

約数ペア:

[(1, 1279789904), (2, 639894952), (4, 319947476), (8, 159973738), (16, 79986869), (383, 3341488), (766, 1670744), (1532, 835372), (3064, 417686), (6128, 208843)]