1285441484

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{11551}}^1$

素因数の和:12245

約数の個数: 24

約数和(自身を含む): 2305594368

約数和(自身を除く): 1020152884

約数列:

[1, 2, 4, 43, 86, 172, 647, 1294, 2588, 11551, 23102, 27821, 46204, 55642, 111284, 496693, 993386, 1986772, 7473497, 14946994, 29893988, 321360371, 642720742, 1285441484]

約数ペア:

[(1, 1285441484), (2, 642720742), (4, 321360371), (43, 29893988), (86, 14946994), (172, 7473497), (647, 1986772), (1294, 993386), (2588, 496693), (11551, 111284), (23102, 55642), (27821, 46204)]