16643428

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 29937600

約数和(自身を除く): 13294172

約数列:

[1, 2, 4, 59, 109, 118, 218, 236, 436, 647, 1294, 2588, 6431, 12862, 25724, 38173, 70523, 76346, 141046, 152692, 282092, 4160857, 8321714, 16643428]

約数ペア:

[(1, 16643428), (2, 8321714), (4, 4160857), (59, 282092), (109, 152692), (118, 141046), (218, 76346), (236, 70523), (436, 38173), (647, 25724), (1294, 12862), (2588, 6431)]