68405155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 101808000

約数和(自身を除く): 33402845

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1009, 1043, 1937, 5045, 5215, 7063, 9685, 13117, 13559, 35315, 65585, 67795, 91819, 150341, 459095, 751705, 1052387, 1954433, 5261935, 9772165, 13681031, 68405155]

約数ペア:

[(1, 68405155), (5, 13681031), (7, 9772165), (13, 5261935), (35, 1954433), (65, 1052387), (91, 751705), (149, 459095), (455, 150341), (745, 91819), (1009, 67795), (1043, 65585), (1937, 35315), (5045, 13559), (5215, 13117), (7063, 9685)]