87214981

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1997}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 105878016

約数和(自身を除く): 18663035

約数列:

[1, 7, 17, 119, 367, 1997, 2569, 6239, 13979, 33949, 43673, 237643, 732899, 5130293, 12459283, 87214981]

約数ペア:

[(1, 87214981), (7, 12459283), (17, 5130293), (119, 732899), (367, 237643), (1997, 43673), (2569, 33949), (6239, 13979)]