1681221905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{233341}}^1$

素因数の和:233488

約数の個数: 16

約数和(自身を含む): 2217682368

約数和(自身を除く): 536460463

約数列:

[1, 5, 11, 55, 131, 655, 1441, 7205, 233341, 1166705, 2566751, 12833755, 30567671, 152838355, 336244381, 1681221905]

約数ペア:

[(1, 1681221905), (5, 336244381), (11, 152838355), (55, 30567671), (131, 12833755), (655, 2566751), (1441, 1166705), (7205, 233341)]