339990938

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{4447}}^1$

素因数の和:4626

約数の個数: 32

約数和(自身を含む): 601227264

約数和(自身を除く): 261236326

約数列:

[1, 2, 7, 14, 43, 86, 127, 254, 301, 602, 889, 1778, 4447, 5461, 8894, 10922, 31129, 38227, 62258, 76454, 191221, 382442, 564769, 1129538, 1338547, 2677094, 3953383, 7906766, 24285067, 48570134, 169995469, 339990938]

約数ペア:

[(1, 339990938), (2, 169995469), (7, 48570134), (14, 24285067), (43, 7906766), (86, 3953383), (127, 2677094), (254, 1338547), (301, 1129538), (602, 564769), (889, 382442), (1778, 191221), (4447, 76454), (5461, 62258), (8894, 38227), (10922, 31129)]