1643632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2440

約数の個数: 20

約数和(自身を含む): 3259960

約数和(自身を除く): 1616328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2389, 4778, 9556, 19112, 38224, 102727, 205454, 410908, 821816, 1643632]

約数ペア:

[(1, 1643632), (2, 821816), (4, 410908), (8, 205454), (16, 102727), (43, 38224), (86, 19112), (172, 9556), (344, 4778), (688, 2389)]