2891311.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{3340871}}^1$

素因数の和:3340882

約数の個数: 12

約数和(自身を含む): 187088832

約数和(自身を除く): 93544444

約数列:

[1, 2, 4, 7, 14, 28, 3340871, 6681742, 13363484, 23386097, 46772194, 93544388]

約数ペア:

[(1, 93544388), (2, 46772194), (4, 23386097), (7, 13363484), (14, 6681742), (28, 3340871)]