2090972009

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{19739}}^1$

素因数の和:20192

約数の個数: 16

約数和(自身を含む): 2460393600

約数和(自身を除く): 369421591

約数列:

[1, 7, 37, 259, 409, 2863, 15133, 19739, 105931, 138173, 730343, 5112401, 8073251, 56512757, 298710287, 2090972009]

約数ペア:

[(1, 2090972009), (7, 298710287), (37, 56512757), (259, 8073251), (409, 5112401), (2863, 730343), (15133, 138173), (19739, 105931)]