209301296

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{304217}}^1$

素因数の和:304268

約数の個数: 20

約数和(自身を含む): 414953352

約数和(自身を除く): 205652056

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 304217, 608434, 1216868, 2433736, 4867472, 13081331, 26162662, 52325324, 104650648, 209301296]

約数ペア:

[(1, 209301296), (2, 104650648), (4, 52325324), (8, 26162662), (16, 13081331), (43, 4867472), (86, 2433736), (172, 1216868), (344, 608434), (688, 304217)]