278778838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{9721}}^1$

素因数の和:10839

約数の個数: 16

約数和(自身を含む): 450789696

約数和(自身を除く): 172010858

約数列:

[1, 2, 13, 26, 1103, 2206, 9721, 14339, 19442, 28678, 126373, 252746, 10722263, 21444526, 139389419, 278778838]

約数ペア:

[(1, 278778838), (2, 139389419), (13, 21444526), (26, 10722263), (1103, 252746), (2206, 126373), (9721, 28678), (14339, 19442)]