67880464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223291}}^1$

素因数の和:223318

約数の個数: 20

約数和(自身を含む): 138441040

約数和(自身を除く): 70560576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 223291, 446582, 893164, 1786328, 3572656, 4242529, 8485058, 16970116, 33940232, 67880464]

約数ペア:

[(1, 67880464), (2, 33940232), (4, 16970116), (8, 8485058), (16, 4242529), (19, 3572656), (38, 1786328), (76, 893164), (152, 446582), (304, 223291)]