257662384

素因数分解:

$2^4\times 7^2\times {\mathrm{328651}}^1$

素因数の和:328673

約数の個数: 30

約数和(自身を含む): 580728084

約数和(自身を除く): 323065700

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 328651, 657302, 1314604, 2300557, 2629208, 4601114, 5258416, 9202228, 16103899, 18404456, 32207798, 36808912, 64415596, 128831192, 257662384]

約数ペア:

[(1, 257662384), (2, 128831192), (4, 64415596), (7, 36808912), (8, 32207798), (14, 18404456), (16, 16103899), (28, 9202228), (49, 5258416), (56, 4601114), (98, 2629208), (112, 2300557), (196, 1314604), (392, 657302), (784, 328651)]