255640972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{16903}}^1$

素因数の和:17125

約数の個数: 24

約数和(自身を含む): 473312000

約数和(自身を除く): 217671028

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 3781, 7562, 15124, 16903, 33806, 67612, 321157, 642314, 1284628, 3363697, 6727394, 13454788, 63910243, 127820486, 255640972]

約数ペア:

[(1, 255640972), (2, 127820486), (4, 63910243), (19, 13454788), (38, 6727394), (76, 3363697), (199, 1284628), (398, 642314), (796, 321157), (3781, 67612), (7562, 33806), (15124, 16903)]