2149777981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{3671}}^1$

素因数の和:4212

約数の個数: 16

約数和(自身を含む): 2342971008

約数和(自身を除く): 193193027

約数列:

[1, 13, 107, 421, 1391, 3671, 5473, 45047, 47723, 392797, 585611, 1545491, 5106361, 20091383, 165367537, 2149777981]

約数ペア:

[(1, 2149777981), (13, 165367537), (107, 20091383), (421, 5106361), (1391, 1545491), (3671, 585611), (5473, 392797), (45047, 47723)]