208020113

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 252667008

約数和(自身を除く): 44646895

約数列:

[1, 7, 19, 133, 263, 313, 361, 1841, 2191, 2527, 4997, 5947, 34979, 41629, 82319, 94943, 112993, 576233, 664601, 790951, 1564061, 10948427, 29717159, 208020113]

約数ペア:

[(1, 208020113), (7, 29717159), (19, 10948427), (133, 1564061), (263, 790951), (313, 664601), (361, 576233), (1841, 112993), (2191, 94943), (2527, 82319), (4997, 41629), (5947, 34979)]