28113584

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12641}}^1$

素因数の和:12788

約数の個数: 20

約数和(自身を含む): 54866280

約数和(自身を除く): 26752696

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12641, 25282, 50564, 101128, 202256, 1757099, 3514198, 7028396, 14056792, 28113584]

約数ペア:

[(1, 28113584), (2, 14056792), (4, 7028396), (8, 3514198), (16, 1757099), (139, 202256), (278, 101128), (556, 50564), (1112, 25282), (2224, 12641)]