2148839

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 2808960

約数和(自身を除く): 660121

約数列:

[1, 7, 11, 43, 59, 77, 121, 301, 413, 473, 649, 847, 2537, 3311, 4543, 5203, 7139, 17759, 27907, 36421, 49973, 195349, 306977, 2148839]

約数ペア:

[(1, 2148839), (7, 306977), (11, 195349), (43, 49973), (59, 36421), (77, 27907), (121, 17759), (301, 7139), (413, 5203), (473, 4543), (649, 3311), (847, 2537)]