123296528

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{72019}}^1$

素因数の和:72134

約数の個数: 20

約数和(自身を含む): 241122960

約数和(自身を除く): 117826432

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 72019, 144038, 288076, 576152, 1152304, 7706033, 15412066, 30824132, 61648264, 123296528]

約数ペア:

[(1, 123296528), (2, 61648264), (4, 30824132), (8, 15412066), (16, 7706033), (107, 1152304), (214, 576152), (428, 288076), (856, 144038), (1712, 72019)]