28138014

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{11933}}^1$

素因数の和:12072

約数の個数: 24

約数和(自身を含む): 61436232

約数和(自身を除く): 33298218

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 11933, 23866, 35799, 71598, 107397, 214794, 1563223, 3126446, 4689669, 9379338, 14069007, 28138014]

約数ペア:

[(1, 28138014), (2, 14069007), (3, 9379338), (6, 4689669), (9, 3126446), (18, 1563223), (131, 214794), (262, 107397), (393, 71598), (786, 35799), (1179, 23866), (2358, 11933)]