261246242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{178691}}^1$

素因数の和:178753

約数の個数: 16

約数和(自身を含む): 424572192

約数和(自身を除く): 163325950

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 178691, 357382, 3037747, 6075494, 7683713, 15367426, 130623121, 261246242]

約数ペア:

[(1, 261246242), (2, 130623121), (17, 15367426), (34, 7683713), (43, 6075494), (86, 3037747), (731, 357382), (1462, 178691)]