86957176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{639391}}^1$

素因数の和:639414

約数の個数: 16

約数和(自身を含む): 172635840

約数和(自身を除く): 85678664

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 639391, 1278782, 2557564, 5115128, 10869647, 21739294, 43478588, 86957176]

約数ペア:

[(1, 86957176), (2, 43478588), (4, 21739294), (8, 10869647), (17, 5115128), (34, 2557564), (68, 1278782), (136, 639391)]