65806985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 81149376

約数和(自身を除く): 15342391

約数列:

[1, 5, 43, 215, 307, 997, 1535, 4985, 13201, 42871, 66005, 214355, 306079, 1530395, 13161397, 65806985]

約数ペア:

[(1, 65806985), (5, 13161397), (43, 1530395), (215, 306079), (307, 214355), (997, 66005), (1535, 42871), (4985, 13201)]