9811915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 12591936

約数和(自身を除く): 2780021

約数列:

[1, 5, 23, 41, 115, 205, 943, 2081, 4715, 10405, 47863, 85321, 239315, 426605, 1962383, 9811915]

約数ペア:

[(1, 9811915), (5, 1962383), (23, 426605), (41, 239315), (115, 85321), (205, 47863), (943, 10405), (2081, 4715)]