27890078

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 42682464

約数和(自身を除く): 14792386

約数列:

[1, 2, 71, 142, 197, 394, 997, 1994, 13987, 27974, 70787, 141574, 196409, 392818, 13945039, 27890078]

約数ペア:

[(1, 27890078), (2, 13945039), (71, 392818), (142, 196409), (197, 141574), (394, 70787), (997, 27974), (1994, 13987)]