12216295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26849}}^1$

素因数の和:26874

約数の個数: 16

約数和(自身を含む): 18043200

約数和(自身を除く): 5826905

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 26849, 134245, 187943, 349037, 939715, 1745185, 2443259, 12216295]

約数ペア:

[(1, 12216295), (5, 2443259), (7, 1745185), (13, 939715), (35, 349037), (65, 187943), (91, 134245), (455, 26849)]