399875834

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1682

約数の個数: 24

約数和(自身を含む): 623145312

約数和(自身を除く): 223269478

約数列:

[1, 2, 43, 71, 86, 142, 1523, 1849, 3046, 3053, 3698, 6106, 65489, 108133, 130978, 131279, 216266, 262558, 2816027, 4649719, 5632054, 9299438, 199937917, 399875834]

約数ペア:

[(1, 399875834), (2, 199937917), (43, 9299438), (71, 5632054), (86, 4649719), (142, 2816027), (1523, 262558), (1849, 216266), (3046, 131279), (3053, 130978), (3698, 108133), (6106, 65489)]