1999156

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 3659040

約数和(自身を除く): 1659884

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 197, 236, 394, 788, 2537, 5074, 8471, 10148, 11623, 16942, 23246, 33884, 46492, 499789, 999578, 1999156]

約数ペア:

[(1, 1999156), (2, 999578), (4, 499789), (43, 46492), (59, 33884), (86, 23246), (118, 16942), (172, 11623), (197, 10148), (236, 8471), (394, 5074), (788, 2537)]