71383128478

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{839}}^1\times {\mathrm{117841}}^1$

素因数の和:118720

約数の個数: 24

約数和(自身を含む): 113142461040

約数和(自身を除く): 41759332562

約数列:

[1, 2, 19, 38, 361, 722, 839, 1678, 15941, 31882, 117841, 235682, 302879, 605758, 2238979, 4477958, 42540601, 85081202, 98868599, 197737198, 1878503381, 3757006762, 35691564239, 71383128478]

約数ペア:

[(1, 71383128478), (2, 35691564239), (19, 3757006762), (38, 1878503381), (361, 197737198), (722, 98868599), (839, 85081202), (1678, 42540601), (15941, 4477958), (31882, 2238979), (117841, 605758), (235682, 302879)]