31226686

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15787}}^1$

素因数の和:15855

約数の個数: 16

約数和(自身を含む): 50016384

約数和(自身を除く): 18789698

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 15787, 31574, 363101, 678841, 726202, 1357682, 15613343, 31226686]

約数ペア:

[(1, 31226686), (2, 15613343), (23, 1357682), (43, 726202), (46, 678841), (86, 363101), (989, 31574), (1978, 15787)]