28785498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{685369}}^1$

素因数の和:685381

約数の個数: 16

約数和(自身を含む): 65795520

約数和(自身を除く): 37010022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 685369, 1370738, 2056107, 4112214, 4797583, 9595166, 14392749, 28785498]

約数ペア:

[(1, 28785498), (2, 14392749), (3, 9595166), (6, 4797583), (7, 4112214), (14, 2056107), (21, 1370738), (42, 685369)]