205103668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{665921}}^1$

素因数の和:665943

約数の個数: 24

約数和(自身を含む): 447499584

約数和(自身を除く): 242395916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 665921, 1331842, 2663684, 4661447, 7325131, 9322894, 14650262, 18645788, 29300524, 51275917, 102551834, 205103668]

約数ペア:

[(1, 205103668), (2, 102551834), (4, 51275917), (7, 29300524), (11, 18645788), (14, 14650262), (22, 9322894), (28, 7325131), (44, 4661447), (77, 2663684), (154, 1331842), (308, 665921)]