989851180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2911327}}^1$

素因数の和:2911353

約数の個数: 24

約数和(自身を含む): 2200963968

約数和(自身を除く): 1211112788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2911327, 5822654, 11645308, 14556635, 29113270, 49492559, 58226540, 98985118, 197970236, 247462795, 494925590, 989851180]

約数ペア:

[(1, 989851180), (2, 494925590), (4, 247462795), (5, 197970236), (10, 98985118), (17, 58226540), (20, 49492559), (34, 29113270), (68, 14556635), (85, 11645308), (170, 5822654), (340, 2911327)]