25089449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 31488000

約数和(自身を除く): 6398551

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 1999, 12551, 13993, 21989, 153923, 325837, 2280859, 3584207, 25089449]

約数ペア:

[(1, 25089449), (7, 3584207), (11, 2280859), (77, 325837), (163, 153923), (1141, 21989), (1793, 13993), (1999, 12551)]