208032209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{23909}}^1$

素因数の和:24040

約数の個数: 16

約数和(自身を含む): 261671040

約数和(自身を除く): 53638831

約数列:

[1, 7, 11, 77, 113, 791, 1243, 8701, 23909, 167363, 262999, 1840993, 2701717, 18912019, 29718887, 208032209]

約数ペア:

[(1, 208032209), (7, 29718887), (11, 18912019), (77, 2701717), (113, 1840993), (791, 262999), (1243, 167363), (8701, 23909)]