2578735

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 3244032

約数和(自身を除く): 665297

約数列:

[1, 5, 31, 127, 131, 155, 635, 655, 3937, 4061, 16637, 19685, 20305, 83185, 515747, 2578735]

約数ペア:

[(1, 2578735), (5, 515747), (31, 83185), (127, 20305), (131, 19685), (155, 16637), (635, 4061), (655, 3937)]