209769994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{25439}}^1$

素因数の和:25498

約数の個数: 32

約数和(自身を含む): 390758400

約数和(自身を除く): 180988406

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 25439, 50878, 178073, 356146, 483341, 788609, 966682, 1577218, 3383387, 5520263, 6766774, 11040526, 14983571, 29967142, 104884997, 209769994]

約数ペア:

[(1, 209769994), (2, 104884997), (7, 29967142), (14, 14983571), (19, 11040526), (31, 6766774), (38, 5520263), (62, 3383387), (133, 1577218), (217, 966682), (266, 788609), (434, 483341), (589, 356146), (1178, 178073), (4123, 50878), (8246, 25439)]