28415216

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21397}}^1$

素因数の和:21488

約数の個数: 20

約数和(自身を含む): 55720392

約数和(自身を除く): 27305176

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21397, 42794, 85588, 171176, 342352, 1775951, 3551902, 7103804, 14207608, 28415216]

約数ペア:

[(1, 28415216), (2, 14207608), (4, 7103804), (8, 3551902), (16, 1775951), (83, 342352), (166, 171176), (332, 85588), (664, 42794), (1328, 21397)]