28457597

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 33792000

約数和(自身を除く): 5334403

約数列:

[1, 7, 31, 199, 217, 659, 1393, 4613, 6169, 20429, 43183, 131141, 143003, 917987, 4065371, 28457597]

約数ペア:

[(1, 28457597), (7, 4065371), (31, 917987), (199, 143003), (217, 131141), (659, 43183), (1393, 20429), (4613, 6169)]