208668887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{23417}}^1$

素因数の和:23510

約数の個数: 16

約数和(自身を含む): 254787840

約数和(自身を除く): 46118953

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 23417, 163919, 444923, 1568939, 3114461, 10982573, 29809841, 208668887]

約数ペア:

[(1, 208668887), (7, 29809841), (19, 10982573), (67, 3114461), (133, 1568939), (469, 444923), (1273, 163919), (8911, 23417)]