209218235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 280350720

約数和(自身を除く): 71132485

約数列:

[1, 5, 17, 23, 85, 103, 115, 391, 515, 1039, 1751, 1955, 2369, 5195, 8755, 11845, 17663, 23897, 40273, 88315, 107017, 119485, 201365, 406249, 535085, 1819289, 2031245, 2461391, 9096445, 12306955, 41843647, 209218235]

約数ペア:

[(1, 209218235), (5, 41843647), (17, 12306955), (23, 9096445), (85, 2461391), (103, 2031245), (115, 1819289), (391, 535085), (515, 406249), (1039, 201365), (1751, 119485), (1955, 107017), (2369, 88315), (5195, 40273), (8755, 23897), (11845, 17663)]