397795321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{72763}}^1$

素因数の和:72852

約数の個数: 16

約数和(自身を含む): 502944768

約数和(自身を除く): 105149447

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 72763, 509341, 800393, 5166173, 5602751, 36163211, 56827903, 397795321]

約数ペア:

[(1, 397795321), (7, 56827903), (11, 36163211), (71, 5602751), (77, 5166173), (497, 800393), (781, 509341), (5467, 72763)]