12871898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9341}}^1$

素因数の和:9409

約数の個数: 16

約数和(自身を含む): 21187656

約数和(自身を除く): 8315758

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 9341, 18682, 121433, 242866, 495073, 990146, 6435949, 12871898]

約数ペア:

[(1, 12871898), (2, 6435949), (13, 990146), (26, 495073), (53, 242866), (106, 121433), (689, 18682), (1378, 9341)]