1247833355

素因数分解:

$5^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1\times {\mathrm{1319}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 1505433600

約数和(自身を除く): 257600245

約数列:

[1, 5, 431, 439, 1319, 2155, 2195, 6595, 189209, 568489, 579041, 946045, 2842445, 2895205, 249566671, 1247833355]

約数ペア:

[(1, 1247833355), (5, 249566671), (431, 2895205), (439, 2842445), (1319, 946045), (2155, 579041), (2195, 568489), (6595, 189209)]