139891088

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{21377}}^1$

素因数の和:21794

約数の個数: 20

約数和(自身を含む): 271714380

約数和(自身を除く): 131823292

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 21377, 42754, 85508, 171016, 342032, 8743193, 17486386, 34972772, 69945544, 139891088]

約数ペア:

[(1, 139891088), (2, 69945544), (4, 34972772), (8, 17486386), (16, 8743193), (409, 342032), (818, 171016), (1636, 85508), (3272, 42754), (6544, 21377)]