15721856

素因数分解:

$2^7\times {\mathrm{122827}}^1$

素因数の和:122841

約数の個数: 16

約数和(自身を含む): 31321140

約数和(自身を除く): 15599284

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 122827, 245654, 491308, 982616, 1965232, 3930464, 7860928, 15721856]

約数ペア:

[(1, 15721856), (2, 7860928), (4, 3930464), (8, 1965232), (16, 982616), (32, 491308), (64, 245654), (128, 122827)]