81948008

素因数分解:

$2^3\times {\mathrm{1039}}^1\times {\mathrm{9859}}^1$

素因数の和:10904

約数の個数: 16

約数和(自身を含む): 153816000

約数和(自身を除く): 71867992

約数列:

[1, 2, 4, 8, 1039, 2078, 4156, 8312, 9859, 19718, 39436, 78872, 10243501, 20487002, 40974004, 81948008]

約数ペア:

[(1, 81948008), (2, 40974004), (4, 20487002), (8, 10243501), (1039, 78872), (2078, 39436), (4156, 19718), (8312, 9859)]