9780756478

素因数分解:

$2^1\times {\mathrm{449}}^1\times {\mathrm{2099}}^1\times {\mathrm{5189}}^1$

素因数の和:7739

約数の個数: 16

約数和(自身を含む): 14713650000

約数和(自身を除く): 4932893522

約数列:

[1, 2, 449, 898, 2099, 4198, 5189, 10378, 942451, 1884902, 2329861, 4659722, 10891711, 21783422, 4890378239, 9780756478]

約数ペア:

[(1, 9780756478), (2, 4890378239), (449, 21783422), (898, 10891711), (2099, 4659722), (4198, 2329861), (5189, 1884902), (10378, 942451)]