80191972

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{9209}}^1$

素因数の和:9531

約数の個数: 24

約数和(自身を含む): 160917120

約数和(自身を除く): 80725148

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 8708, 9209, 18418, 36836, 64463, 128926, 257852, 2863999, 5727998, 11455996, 20047993, 40095986, 80191972]

約数ペア:

[(1, 80191972), (2, 40095986), (4, 20047993), (7, 11455996), (14, 5727998), (28, 2863999), (311, 257852), (622, 128926), (1244, 64463), (2177, 36836), (4354, 18418), (8708, 9209)]