1689519389185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15731}}^1\times {\mathrm{15923}}^1$

素因数の和:31749

約数の個数: 32

約数和(自身を含む): 2164461419520

約数和(自身を除く): 474942030335

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 15731, 15923, 78655, 79615, 298889, 302537, 1116901, 1130533, 1494445, 1512685, 5584505, 5652665, 21221119, 21480127, 106105595, 107400635, 250484713, 1252423565, 4759209547, 17784414623, 23796047735, 88922073115, 337903877837, 1689519389185]

約数ペア:

[(1, 1689519389185), (5, 337903877837), (19, 88922073115), (71, 23796047735), (95, 17784414623), (355, 4759209547), (1349, 1252423565), (6745, 250484713), (15731, 107400635), (15923, 106105595), (78655, 21480127), (79615, 21221119), (298889, 5652665), (302537, 5584505), (1116901, 1512685), (1130533, 1494445)]