187138889

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{53791}}^1$

素因数の和:53876

約数の個数: 12

約数和(自身を含む): 220762368

約数和(自身を除く): 33623479

約数列:

[1, 7, 49, 71, 497, 3479, 53791, 376537, 2635759, 3819161, 26734127, 187138889]

約数ペア:

[(1, 187138889), (7, 26734127), (49, 3819161), (71, 2635759), (497, 376537), (3479, 53791)]