12991716

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1228

約数の個数: 36

約数和(自身を含む): 32951100

約数和(自身を除く): 19959384

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 709, 1018, 1418, 1527, 2036, 2127, 2836, 3054, 4254, 4581, 6108, 6381, 8508, 9162, 12762, 18324, 25524, 360881, 721762, 1082643, 1443524, 2165286, 3247929, 4330572, 6495858, 12991716]

約数ペア:

[(1, 12991716), (2, 6495858), (3, 4330572), (4, 3247929), (6, 2165286), (9, 1443524), (12, 1082643), (18, 721762), (36, 360881), (509, 25524), (709, 18324), (1018, 12762), (1418, 9162), (1527, 8508), (2036, 6381), (2127, 6108), (2836, 4581), (3054, 4254)]