128329796

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{14737}}^1$

素因数の和:15059

約数の個数: 24

約数和(自身を含む): 257502336

約数和(自身を除く): 129172540

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 8708, 14737, 29474, 58948, 103159, 206318, 412636, 4583207, 9166414, 18332828, 32082449, 64164898, 128329796]

約数ペア:

[(1, 128329796), (2, 64164898), (4, 32082449), (7, 18332828), (14, 9166414), (28, 4583207), (311, 412636), (622, 206318), (1244, 103159), (2177, 58948), (4354, 29474), (8708, 14737)]