26663975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{6311}}^1$

素因数の和:6347

約数の個数: 18

約数和(自身を含む): 35807976

約数和(自身を除く): 9144001

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 6311, 31555, 82043, 157775, 410215, 1066559, 2051075, 5332795, 26663975]

約数ペア:

[(1, 26663975), (5, 5332795), (13, 2051075), (25, 1066559), (65, 410215), (169, 157775), (325, 82043), (845, 31555), (4225, 6311)]