66436765

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 88416000

約数和(自身を除く): 21979235

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 1999, 6647, 9995, 33235, 33983, 45977, 169915, 229885, 577711, 781609, 2888555, 3908045, 13287353, 66436765]

約数ペア:

[(1, 66436765), (5, 13287353), (17, 3908045), (23, 2888555), (85, 781609), (115, 577711), (289, 229885), (391, 169915), (1445, 45977), (1955, 33983), (1999, 33235), (6647, 9995)]