2149569.00000000

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127403}}^1$

素因数の和:127478

約数の個数: 12

約数和(自身を含む): 64211616

約数和(自身を除く): 28029164

約数列:

[1, 2, 4, 71, 142, 284, 127403, 254806, 509612, 9045613, 18091226, 36182452]

約数ペア:

[(1, 36182452), (2, 18091226), (4, 9045613), (71, 509612), (142, 254806), (284, 127403)]