138459454

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{319031}}^1$

素因数の和:319071

約数の個数: 16

約数和(自身を含む): 245016576

約数和(自身を除く): 106557122

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 319031, 638062, 2233217, 4466434, 9889961, 19779922, 69229727, 138459454]

約数ペア:

[(1, 138459454), (2, 69229727), (7, 19779922), (14, 9889961), (31, 4466434), (62, 2233217), (217, 638062), (434, 319031)]