2881958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:679

約数の個数: 16

約数和(自身を含む): 4590000

約数和(自身を除く): 1708042

約数列:

[1, 2, 19, 38, 149, 298, 509, 1018, 2831, 5662, 9671, 19342, 75841, 151682, 1440979, 2881958]

約数ペア:

[(1, 2881958), (2, 1440979), (19, 151682), (38, 75841), (149, 19342), (298, 9671), (509, 5662), (1018, 2831)]