2015815907

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{72739}}^1$

素因数の和:72890

約数の個数: 16

約数和(自身を含む): 2388199680

約数和(自身を除く): 372383773

約数列:

[1, 7, 37, 107, 259, 749, 3959, 27713, 72739, 509173, 2691343, 7783073, 18839401, 54481511, 287973701, 2015815907]

約数ペア:

[(1, 2015815907), (7, 287973701), (37, 54481511), (107, 18839401), (259, 7783073), (749, 2691343), (3959, 509173), (27713, 72739)]