2149372799

素因数分解:

$7^4\times {\mathrm{73}}^1\times {\mathrm{12263}}^1$

素因数の和:12364

約数の個数: 20

約数和(自身を含む): 2542008336

約数和(自身を除く): 392635537

約数列:

[1, 7, 49, 73, 343, 511, 2401, 3577, 12263, 25039, 85841, 175273, 600887, 895199, 4206209, 6266393, 29443463, 43864751, 307053257, 2149372799]

約数ペア:

[(1, 2149372799), (7, 307053257), (49, 43864751), (73, 29443463), (343, 6266393), (511, 4206209), (2401, 895199), (3577, 600887), (12263, 175273), (25039, 85841)]