128702995178

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{7207}}^1\times {\mathrm{20717}}^1$

素因数の和:28357

約数の個数: 16

約数和(自身を含む): 193538605824

約数和(自身を除く): 64835610646

約数列:

[1, 2, 431, 862, 7207, 14414, 20717, 41434, 3106217, 6212434, 8929027, 17858054, 149307419, 298614838, 64351497589, 128702995178]

約数ペア:

[(1, 128702995178), (2, 64351497589), (431, 298614838), (862, 149307419), (7207, 17858054), (14414, 8929027), (20717, 6212434), (41434, 3106217)]