199433744

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{31397}}^1$

素因数の和:31802

約数の個数: 20

約数和(自身を含む): 387388524

約数和(自身を除く): 187954780

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 31397, 62794, 125588, 251176, 502352, 12464609, 24929218, 49858436, 99716872, 199433744]

約数ペア:

[(1, 199433744), (2, 99716872), (4, 49858436), (8, 24929218), (16, 12464609), (397, 502352), (794, 251176), (1588, 125588), (3176, 62794), (6352, 31397)]