42173485

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 53479008

約数和(自身を除く): 11305523

約数列:

[1, 5, 31, 67, 131, 155, 335, 655, 961, 2077, 4061, 4805, 8777, 10385, 20305, 43885, 64387, 125891, 272087, 321935, 629455, 1360435, 8434697, 42173485]

約数ペア:

[(1, 42173485), (5, 8434697), (31, 1360435), (67, 629455), (131, 321935), (155, 272087), (335, 125891), (655, 64387), (961, 43885), (2077, 20305), (4061, 10385), (4805, 8777)]