398768838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{5112421}}^1$

素因数の和:5112439

約数の個数: 16

約数和(自身を含む): 858886896

約数和(自身を除く): 460118058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 5112421, 10224842, 15337263, 30674526, 66461473, 132922946, 199384419, 398768838]

約数ペア:

[(1, 398768838), (2, 199384419), (3, 132922946), (6, 66461473), (13, 30674526), (26, 15337263), (39, 10224842), (78, 5112421)]