1278016873

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{3623}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 1556696448

約数和(自身を除く): 278679575

約数列:

[1, 7, 23, 49, 161, 313, 1127, 2191, 3623, 7199, 15337, 25361, 50393, 83329, 177527, 352751, 583303, 1133999, 4083121, 7937993, 26081977, 55565951, 182573839, 1278016873]

約数ペア:

[(1, 1278016873), (7, 182573839), (23, 55565951), (49, 26081977), (161, 7937993), (313, 4083121), (1127, 1133999), (2191, 583303), (3623, 352751), (7199, 177527), (15337, 83329), (25361, 50393)]