289681712

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{421049}}^1$

素因数の和:421100

約数の個数: 20

約数和(自身を含む): 574312200

約数和(自身を除く): 284630488

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 421049, 842098, 1684196, 3368392, 6736784, 18105107, 36210214, 72420428, 144840856, 289681712]

約数ペア:

[(1, 289681712), (2, 144840856), (4, 72420428), (8, 36210214), (16, 18105107), (43, 6736784), (86, 3368392), (172, 1684196), (344, 842098), (688, 421049)]