2689906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 4311360

約数和(自身を除く): 1621454

約数列:

[1, 2, 19, 38, 71, 142, 997, 1349, 1994, 2698, 18943, 37886, 70787, 141574, 1344953, 2689906]

約数ペア:

[(1, 2689906), (2, 1344953), (19, 141574), (38, 70787), (71, 37886), (142, 18943), (997, 2698), (1349, 1994)]