199912048

素因数分解:

$2^4\times 7^1\times {\mathrm{1784929}}^1$

素因数の和:1784944

約数の個数: 20

約数和(自身を含む): 442662640

約数和(自身を除く): 242750592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1784929, 3569858, 7139716, 12494503, 14279432, 24989006, 28558864, 49978012, 99956024, 199912048]

約数ペア:

[(1, 199912048), (2, 99956024), (4, 49978012), (7, 28558864), (8, 24989006), (14, 14279432), (16, 12494503), (28, 7139716), (56, 3569858), (112, 1784929)]