199431196

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{457411}}^1$

素因数の和:457524

約数の個数: 12

約数和(自身を含む): 352207240

約数和(自身を除く): 152776044

約数列:

[1, 2, 4, 109, 218, 436, 457411, 914822, 1829644, 49857799, 99715598, 199431196]

約数ペア:

[(1, 199431196), (2, 99715598), (4, 49857799), (109, 1829644), (218, 914822), (436, 457411)]