12539221

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 13888000

約数和(自身を除く): 1348779

約数列:

[1, 19, 31, 61, 349, 589, 1159, 1891, 6631, 10819, 21289, 35929, 205561, 404491, 659959, 12539221]

約数ペア:

[(1, 12539221), (19, 659959), (31, 404491), (61, 205561), (349, 35929), (589, 21289), (1159, 10819), (1891, 6631)]