31115838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{398921}}^1$

素因数の和:398939

約数の個数: 16

約数和(自身を含む): 67018896

約数和(自身を除く): 35903058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 398921, 797842, 1196763, 2393526, 5185973, 10371946, 15557919, 31115838]

約数ペア:

[(1, 31115838), (2, 15557919), (3, 10371946), (6, 5185973), (13, 2393526), (26, 1196763), (39, 797842), (78, 398921)]