28120906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41233}}^1$

素因数の和:41277

約数の個数: 16

約数和(自身を含む): 47501568

約数和(自身を除く): 19380662

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 41233, 82466, 453563, 907126, 1278223, 2556446, 14060453, 28120906]

約数ペア:

[(1, 28120906), (2, 14060453), (11, 2556446), (22, 1278223), (31, 907126), (62, 453563), (341, 82466), (682, 41233)]