823014790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{486991}}^1$

素因数の和:487024

約数の個数: 24

約数和(自身を含む): 1604151648

約数和(自身を除く): 781136858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 486991, 973982, 2434955, 4869910, 6330883, 12661766, 31654415, 63308830, 82301479, 164602958, 411507395, 823014790]

約数ペア:

[(1, 823014790), (2, 411507395), (5, 164602958), (10, 82301479), (13, 63308830), (26, 31654415), (65, 12661766), (130, 6330883), (169, 4869910), (338, 2434955), (845, 973982), (1690, 486991)]