206857861

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 250770816

約数和(自身を除く): 43912955

約数列:

[1, 7, 37, 49, 71, 259, 497, 1607, 1813, 2627, 3479, 11249, 18389, 59459, 78743, 114097, 128723, 416213, 798679, 2913491, 4221589, 5590753, 29551123, 206857861]

約数ペア:

[(1, 206857861), (7, 29551123), (37, 5590753), (49, 4221589), (71, 2913491), (259, 798679), (497, 416213), (1607, 128723), (1813, 114097), (2627, 78743), (3479, 59459), (11249, 18389)]