28691882

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{2671}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 44440704

約数和(自身を除く): 15748822

約数列:

[1, 2, 41, 82, 131, 262, 2671, 5342, 5371, 10742, 109511, 219022, 349901, 699802, 14345941, 28691882]

約数ペア:

[(1, 28691882), (2, 14345941), (41, 699802), (82, 349901), (131, 219022), (262, 109511), (2671, 10742), (5342, 5371)]