208718988

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{20981}}^1$

素因数の和:21817

約数の個数: 24

約数和(自身を含む): 487621680

約数和(自身を除く): 278902692

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2487, 3316, 4974, 9948, 20981, 41962, 62943, 83924, 125886, 251772, 17393249, 34786498, 52179747, 69572996, 104359494, 208718988]

約数ペア:

[(1, 208718988), (2, 104359494), (3, 69572996), (4, 52179747), (6, 34786498), (12, 17393249), (829, 251772), (1658, 125886), (2487, 83924), (3316, 62943), (4974, 41962), (9948, 20981)]