81882190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{3727}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 159707520

約数和(自身を除く): 77825330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 3727, 4394, 7454, 10985, 18635, 21970, 37270, 48451, 96902, 242255, 484510, 629863, 1259726, 3149315, 6298630, 8188219, 16376438, 40941095, 81882190]

約数ペア:

[(1, 81882190), (2, 40941095), (5, 16376438), (10, 8188219), (13, 6298630), (26, 3149315), (65, 1259726), (130, 629863), (169, 484510), (338, 242255), (845, 96902), (1690, 48451), (2197, 37270), (3727, 21970), (4394, 18635), (7454, 10985)]