1664643615568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5475801367}}^1$

素因数の和:5475801394

約数の個数: 20

約数和(自身を含む): 3394996848160

約数和(自身を除く): 1730353232592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5475801367, 10951602734, 21903205468, 43806410936, 87612821872, 104040225973, 208080451946, 416160903892, 832321807784, 1664643615568]

約数ペア:

[(1, 1664643615568), (2, 832321807784), (4, 416160903892), (8, 208080451946), (16, 104040225973), (19, 87612821872), (38, 43806410936), (76, 21903205468), (152, 10951602734), (304, 5475801367)]