31393870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73009}}^1$

素因数の和:73059

約数の個数: 16

約数和(自身を含む): 57823920

約数和(自身を除く): 26430050

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 73009, 146018, 365045, 730090, 3139387, 6278774, 15696935, 31393870]

約数ペア:

[(1, 31393870), (2, 15696935), (5, 6278774), (10, 3139387), (43, 730090), (86, 365045), (215, 146018), (430, 73009)]