81316942

素因数分解:

$2^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{4003}}^1$

素因数の和:5463

約数の個数: 16

約数和(自身を含む): 139531392

約数和(自身を除く): 58214450

約数列:

[1, 2, 7, 14, 1451, 2902, 4003, 8006, 10157, 20314, 28021, 56042, 5808353, 11616706, 40658471, 81316942]

約数ペア:

[(1, 81316942), (2, 40658471), (7, 11616706), (14, 5808353), (1451, 56042), (2902, 28021), (4003, 20314), (8006, 10157)]