81339902

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{7757}}^1$

素因数の和:7880

約数の個数: 24

約数和(自身を含む): 143274744

約数和(自身を除く): 61934842

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 5243, 7757, 10486, 15514, 54299, 108598, 380093, 760186, 829999, 1659998, 5809993, 11619986, 40669951, 81339902]

約数ペア:

[(1, 81339902), (2, 40669951), (7, 11619986), (14, 5809993), (49, 1659998), (98, 829999), (107, 760186), (214, 380093), (749, 108598), (1498, 54299), (5243, 15514), (7757, 10486)]