211946147

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1$

素因数の和:7130

約数の個数: 16

約数和(自身を含む): 249698304

約数和(自身を除く): 37752157

約数列:

[1, 7, 61, 71, 427, 497, 4331, 6991, 30317, 48937, 426451, 496361, 2985157, 3474527, 30278021, 211946147]

約数ペア:

[(1, 211946147), (7, 30278021), (61, 3474527), (71, 2985157), (427, 496361), (497, 426451), (4331, 48937), (6991, 30317)]