66391205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{9887}}^1$

素因数の和:9988

約数の個数: 16

約数和(自身を含む): 85432320

約数和(自身を除く): 19041115

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 9887, 49435, 168079, 781073, 840395, 3905365, 13278241, 66391205]

約数ペア:

[(1, 66391205), (5, 13278241), (17, 3905365), (79, 840395), (85, 781073), (395, 168079), (1343, 49435), (6715, 9887)]