890243594

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{42829}}^1$

素因数の和:43397

約数の個数: 16

約数和(自身を含む): 1408250400

約数和(自身を除く): 518006806

約数列:

[1, 2, 19, 38, 547, 1094, 10393, 20786, 42829, 85658, 813751, 1627502, 23427463, 46854926, 445121797, 890243594]

約数ペア:

[(1, 890243594), (2, 445121797), (19, 46854926), (38, 23427463), (547, 1627502), (1094, 813751), (10393, 85658), (20786, 42829)]