209317825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{364031}}^1$

素因数の和:364064

約数の個数: 12

約数和(自身を含む): 270839808

約数和(自身を除く): 61521983

約数列:

[1, 5, 23, 25, 115, 575, 364031, 1820155, 8372713, 9100775, 41863565, 209317825]

約数ペア:

[(1, 209317825), (5, 41863565), (23, 9100775), (25, 8372713), (115, 1820155), (575, 364031)]