254757886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 416199168

約数和(自身を除く): 161441282

約数列:

[1, 2, 17, 34, 43, 86, 271, 542, 643, 731, 1286, 1462, 4607, 9214, 10931, 11653, 21862, 23306, 27649, 55298, 174253, 198101, 348506, 396202, 470033, 940066, 2962301, 5924602, 7492879, 14985758, 127378943, 254757886]

約数ペア:

[(1, 254757886), (2, 127378943), (17, 14985758), (34, 7492879), (43, 5924602), (86, 2962301), (271, 940066), (542, 470033), (643, 396202), (731, 348506), (1286, 198101), (1462, 174253), (4607, 55298), (9214, 27649), (10931, 23306), (11653, 21862)]