81174745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{50263}}^1$

素因数の和:50304

約数の個数: 16

約数和(自身を含む): 108570240

約数和(自身を除く): 27395495

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 50263, 251315, 854471, 954997, 4272355, 4774985, 16234949, 81174745]

約数ペア:

[(1, 81174745), (5, 16234949), (17, 4774985), (19, 4272355), (85, 954997), (95, 854471), (323, 251315), (1615, 50263)]