55981268

素因数分解:

$2^2\times 7^1\times {\mathrm{1999331}}^1$

素因数の和:1999342

約数の個数: 12

約数和(自身を含む): 111962592

約数和(自身を除く): 55981324

約数列:

[1, 2, 4, 7, 14, 28, 1999331, 3998662, 7997324, 13995317, 27990634, 55981268]

約数ペア:

[(1, 55981268), (2, 27990634), (4, 13995317), (7, 7997324), (14, 3998662), (28, 1999331)]