87901655

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 107927424

約数和(自身を除く): 20025769

約数列:

[1, 5, 67, 131, 335, 655, 2003, 8777, 10015, 43885, 134201, 262393, 671005, 1311965, 17580331, 87901655]

約数ペア:

[(1, 87901655), (5, 17580331), (67, 1311965), (131, 671005), (335, 262393), (655, 134201), (2003, 43885), (8777, 10015)]