199382443

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{20981}}^1$

素因数の和:21054

約数の個数: 16

約数和(自身を含む): 232648416

約数和(自身を除く): 33265973

約数列:

[1, 13, 17, 43, 221, 559, 731, 9503, 20981, 272753, 356677, 902183, 4636801, 11728379, 15337111, 199382443]

約数ペア:

[(1, 199382443), (13, 15337111), (17, 11728379), (43, 4636801), (221, 902183), (559, 356677), (731, 272753), (9503, 20981)]