81902578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{2111}}^1$

素因数の和:3153

約数の個数: 16

約数和(自身を含む): 129507840

約数和(自身を除く): 47605262

約数列:

[1, 2, 19, 38, 1021, 2042, 2111, 4222, 19399, 38798, 40109, 80218, 2155331, 4310662, 40951289, 81902578]

約数ペア:

[(1, 81902578), (2, 40951289), (19, 4310662), (38, 2155331), (1021, 80218), (2042, 40109), (2111, 38798), (4222, 19399)]