27980624

素因数分解:

$2^4\times 7^1\times {\mathrm{249827}}^1$

素因数の和:249842

約数の個数: 20

約数和(自身を含む): 61957344

約数和(自身を除く): 33976720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 249827, 499654, 999308, 1748789, 1998616, 3497578, 3997232, 6995156, 13990312, 27980624]

約数ペア:

[(1, 27980624), (2, 13990312), (4, 6995156), (7, 3997232), (8, 3497578), (14, 1998616), (16, 1748789), (28, 999308), (56, 499654), (112, 249827)]