28517894

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 43584000

約数和(自身を除く): 15066106

約数列:

[1, 2, 79, 158, 199, 398, 907, 1814, 15721, 31442, 71653, 143306, 180493, 360986, 14258947, 28517894]

約数ペア:

[(1, 28517894), (2, 14258947), (79, 360986), (158, 180493), (199, 143306), (398, 71653), (907, 31442), (1814, 15721)]