3978982

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4003}}^1$

素因数の和:4083

約数の個数: 16

約数和(自身を含む): 6918912

約数和(自身を除く): 2939930

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 4003, 8006, 28021, 56042, 284213, 568426, 1989491, 3978982]

約数ペア:

[(1, 3978982), (2, 1989491), (7, 568426), (14, 284213), (71, 56042), (142, 28021), (497, 8006), (994, 4003)]