1285241426

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{20681}}^1$

素因数の和:20906

約数の個数: 32

約数和(自身を含む): 2311089408

約数和(自身を除く): 1025847982

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 386, 1351, 2702, 4439, 8878, 20681, 31073, 41362, 62146, 144767, 289534, 475663, 951326, 3329641, 3991433, 6659282, 7982866, 27940031, 55880062, 91802959, 183605918, 642620713, 1285241426]

約数ペア:

[(1, 1285241426), (2, 642620713), (7, 183605918), (14, 91802959), (23, 55880062), (46, 27940031), (161, 7982866), (193, 6659282), (322, 3991433), (386, 3329641), (1351, 951326), (2702, 475663), (4439, 289534), (8878, 144767), (20681, 62146), (31073, 41362)]