81322345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6287}}^1$

素因数の和:6504

約数の個数: 16

約数和(自身を含む): 105638400

約数和(自身を除く): 24316055

約数列:

[1, 5, 13, 65, 199, 995, 2587, 6287, 12935, 31435, 81731, 408655, 1251113, 6255565, 16264469, 81322345]

約数ペア:

[(1, 81322345), (5, 16264469), (13, 6255565), (65, 1251113), (199, 408655), (995, 81731), (2587, 31435), (6287, 12935)]