28611710

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21841}}^1$

素因数の和:21979

約数の個数: 16

約数和(自身を含む): 51896592

約数和(自身を除く): 23284882

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21841, 43682, 109205, 218410, 2861171, 5722342, 14305855, 28611710]

約数ペア:

[(1, 28611710), (2, 14305855), (5, 5722342), (10, 2861171), (131, 218410), (262, 109205), (655, 43682), (1310, 21841)]