12978948

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{25153}}^1$

素因数の和:25203

約数の個数: 24

約数和(自身を含む): 30989728

約数和(自身を除く): 18010780

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 25153, 50306, 75459, 100612, 150918, 301836, 1081579, 2163158, 3244737, 4326316, 6489474, 12978948]

約数ペア:

[(1, 12978948), (2, 6489474), (3, 4326316), (4, 3244737), (6, 2163158), (12, 1081579), (43, 301836), (86, 150918), (129, 100612), (172, 75459), (258, 50306), (516, 25153)]