28972882

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 44301600

約数和(自身を除く): 15328718

約数列:

[1, 2, 89, 139, 178, 278, 1171, 2342, 12371, 24742, 104219, 162769, 208438, 325538, 14486441, 28972882]

約数ペア:

[(1, 28972882), (2, 14486441), (89, 325538), (139, 208438), (178, 162769), (278, 104219), (1171, 24742), (2342, 12371)]