12991964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 23856000

約数和(自身を除く): 10864036

約数列:

[1, 2, 4, 23, 46, 92, 283, 499, 566, 998, 1132, 1996, 6509, 11477, 13018, 22954, 26036, 45908, 141217, 282434, 564868, 3247991, 6495982, 12991964]

約数ペア:

[(1, 12991964), (2, 6495982), (4, 3247991), (23, 564868), (46, 282434), (92, 141217), (283, 45908), (499, 26036), (566, 22954), (998, 13018), (1132, 11477), (1996, 6509)]