42499745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21739}}^1$

素因数の和:21784

約数の個数: 16

約数和(自身を含む): 56350080

約数和(自身を除く): 13850335

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 21739, 108695, 369563, 499997, 1847815, 2499985, 8499949, 42499745]

約数ペア:

[(1, 42499745), (5, 8499949), (17, 2499985), (23, 1847815), (85, 499997), (115, 369563), (391, 108695), (1955, 21739)]