206550425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25579}}^1$

素因数の和:25625

約数の個数: 24

約数和(自身を含む): 285472800

約数和(自身を除く): 78922375

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 25579, 127895, 434843, 486001, 639475, 2174215, 2430005, 8262017, 10871075, 12150025, 41310085, 206550425]

約数ペア:

[(1, 206550425), (5, 41310085), (17, 12150025), (19, 10871075), (25, 8262017), (85, 2430005), (95, 2174215), (323, 639475), (425, 486001), (475, 434843), (1615, 127895), (8075, 25579)]