28646788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 51312800

約数和(自身を除く): 22666012

約数列:

[1, 2, 4, 67, 134, 139, 268, 278, 556, 769, 1538, 3076, 9313, 18626, 37252, 51523, 103046, 106891, 206092, 213782, 427564, 7161697, 14323394, 28646788]

約数ペア:

[(1, 28646788), (2, 14323394), (4, 7161697), (67, 427564), (134, 213782), (139, 206092), (268, 106891), (278, 103046), (556, 51523), (769, 37252), (1538, 18626), (3076, 9313)]