199903972

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{1063319}}^1$

素因数の和:1063370

約数の個数: 12

約数和(自身を含む): 357275520

約数和(自身を除く): 157371548

約数列:

[1, 2, 4, 47, 94, 188, 1063319, 2126638, 4253276, 49975993, 99951986, 199903972]

約数ペア:

[(1, 199903972), (2, 99951986), (4, 49975993), (47, 4253276), (94, 2126638), (188, 1063319)]