218693423

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{18671}}^1$

素因数の和:18754

約数の個数: 16

約数和(自身を含む): 254088576

約数和(自身を除く): 35395153

約数列:

[1, 13, 17, 53, 221, 689, 901, 11713, 18671, 242723, 317407, 989563, 4126291, 12864319, 16822571, 218693423]

約数ペア:

[(1, 218693423), (13, 16822571), (17, 12864319), (53, 4126291), (221, 989563), (689, 317407), (901, 242723), (11713, 18671)]