216484885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 282147840

約数和(自身を除く): 65662955

約数列:

[1, 5, 17, 79, 85, 103, 313, 395, 515, 1343, 1565, 1751, 5321, 6715, 8137, 8755, 24727, 26605, 32239, 40685, 123635, 138329, 161195, 420359, 548063, 691645, 2101795, 2546881, 2740315, 12734405, 43296977, 216484885]

約数ペア:

[(1, 216484885), (5, 43296977), (17, 12734405), (79, 2740315), (85, 2546881), (103, 2101795), (313, 691645), (395, 548063), (515, 420359), (1343, 161195), (1565, 138329), (1751, 123635), (5321, 40685), (6715, 32239), (8137, 26605), (8755, 24727)]