664694774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{164447}}^1$

素因数の和:164539

約数の個数: 16

約数和(自身を含む): 1041942528

約数和(自身を除く): 377247754

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 164447, 328894, 7071221, 7729009, 14142442, 15458018, 332347387, 664694774]

約数ペア:

[(1, 664694774), (2, 332347387), (43, 15458018), (47, 14142442), (86, 7729009), (94, 7071221), (2021, 328894), (4042, 164447)]