51044656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245407}}^1$

素因数の和:245428

約数の個数: 20

約数和(自身を含む): 106507072

約数和(自身を除く): 55462416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245407, 490814, 981628, 1963256, 3190291, 3926512, 6380582, 12761164, 25522328, 51044656]

約数ペア:

[(1, 51044656), (2, 25522328), (4, 12761164), (8, 6380582), (13, 3926512), (16, 3190291), (26, 1963256), (52, 981628), (104, 490814), (208, 245407)]