12986351

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 15981120

約数和(自身を除く): 2994769

約数列:

[1, 7, 17, 61, 119, 427, 1037, 1789, 7259, 12523, 30413, 109129, 212891, 763903, 1855193, 12986351]

約数ペア:

[(1, 12986351), (7, 1855193), (17, 763903), (61, 212891), (119, 109129), (427, 30413), (1037, 12523), (1789, 7259)]