68123456

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{15887}}^1$

素因数の和:15966

約数の個数: 28

約数和(自身を含む): 137208768

約数和(自身を除く): 69085312

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 15887, 31774, 63548, 127096, 254192, 508384, 1016768, 1064429, 2128858, 4257716, 8515432, 17030864, 34061728, 68123456]

約数ペア:

[(1, 68123456), (2, 34061728), (4, 17030864), (8, 8515432), (16, 4257716), (32, 2128858), (64, 1064429), (67, 1016768), (134, 508384), (268, 254192), (536, 127096), (1072, 63548), (2144, 31774), (4288, 15887)]