198825808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{288991}}^1$

素因数の和:289042

約数の個数: 20

約数和(自身を含む): 394185088

約数和(自身を除く): 195359280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 288991, 577982, 1155964, 2311928, 4623856, 12426613, 24853226, 49706452, 99412904, 198825808]

約数ペア:

[(1, 198825808), (2, 99412904), (4, 49706452), (8, 24853226), (16, 12426613), (43, 4623856), (86, 2311928), (172, 1155964), (344, 577982), (688, 288991)]