128307638

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{8713}}^1$

素因数の和:8951

約数の個数: 16

約数和(自身を含む): 198679200

約数和(自身を除く): 70371562

約数列:

[1, 2, 37, 74, 199, 398, 7363, 8713, 14726, 17426, 322381, 644762, 1733887, 3467774, 64153819, 128307638]

約数ペア:

[(1, 128307638), (2, 64153819), (37, 3467774), (74, 1733887), (199, 644762), (398, 322381), (7363, 17426), (8713, 14726)]