28615685

素因数分解:

$5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1999}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 39360000

約数和(自身を除く): 10744315

約数列:

[1, 5, 7, 35, 409, 1999, 2045, 2863, 9995, 13993, 14315, 69965, 817591, 4087955, 5723137, 28615685]

約数ペア:

[(1, 28615685), (5, 5723137), (7, 4087955), (35, 817591), (409, 69965), (1999, 14315), (2045, 13993), (2863, 9995)]