39978458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 68947200

約数和(自身を除く): 28968742

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 302, 442, 599, 1198, 1963, 2567, 3926, 5134, 7787, 10183, 15574, 20366, 33371, 66742, 90449, 132379, 180898, 264758, 1175837, 1537633, 2351674, 3075266, 19989229, 39978458]

約数ペア:

[(1, 39978458), (2, 19989229), (13, 3075266), (17, 2351674), (26, 1537633), (34, 1175837), (151, 264758), (221, 180898), (302, 132379), (442, 90449), (599, 66742), (1198, 33371), (1963, 20366), (2567, 15574), (3926, 10183), (5134, 7787)]