1280521884

素因数分解:

$2^2\times 3^1\times {\mathrm{8923}}^1\times {\mathrm{11959}}^1$

素因数の和:20889

約数の個数: 24

約数和(自身を含む): 2988469120

約数和(自身を除く): 1707947236

約数列:

[1, 2, 3, 4, 6, 12, 8923, 11959, 17846, 23918, 26769, 35692, 35877, 47836, 53538, 71754, 107076, 143508, 106710157, 213420314, 320130471, 426840628, 640260942, 1280521884]

約数ペア:

[(1, 1280521884), (2, 640260942), (3, 426840628), (4, 320130471), (6, 213420314), (12, 106710157), (8923, 143508), (11959, 107076), (17846, 71754), (23918, 53538), (26769, 47836), (35692, 35877)]