66391915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{14081}}^1$

素因数の和:14150

約数の個数: 16

約数和(自身を含む): 85167936

約数和(自身を除く): 18776021

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 14081, 70405, 323863, 577321, 1619315, 2886605, 13278383, 66391915]

約数ペア:

[(1, 66391915), (5, 13278383), (23, 2886605), (41, 1619315), (115, 577321), (205, 323863), (943, 70405), (4715, 14081)]