28412978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1018

約数の個数: 24

約数和(自身を含む): 47243196

約数和(自身を除く): 18830218

約数列:

[1, 2, 11, 22, 121, 137, 242, 274, 857, 1507, 1714, 3014, 9427, 16577, 18854, 33154, 103697, 117409, 207394, 234818, 1291499, 2582998, 14206489, 28412978]

約数ペア:

[(1, 28412978), (2, 14206489), (11, 2582998), (22, 1291499), (121, 234818), (137, 207394), (242, 117409), (274, 103697), (857, 33154), (1507, 18854), (1714, 16577), (3014, 9427)]