12889745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 17012160

約数和(自身を除く): 4122415

約数列:

[1, 5, 11, 55, 131, 655, 1441, 1789, 7205, 8945, 19679, 98395, 234359, 1171795, 2577949, 12889745]

約数ペア:

[(1, 12889745), (5, 2577949), (11, 1171795), (55, 234359), (131, 98395), (655, 19679), (1441, 8945), (1789, 7205)]