2156844745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{2311}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 2876497920

約数和(自身を除く): 719653175

約数列:

[1, 5, 11, 55, 71, 239, 355, 781, 1195, 2311, 2629, 3905, 11555, 13145, 16969, 25421, 84845, 127105, 164081, 186659, 552329, 820405, 933295, 1804891, 2761645, 6075619, 9024455, 30378095, 39215359, 196076795, 431368949, 2156844745]

約数ペア:

[(1, 2156844745), (5, 431368949), (11, 196076795), (55, 39215359), (71, 30378095), (239, 9024455), (355, 6075619), (781, 2761645), (1195, 1804891), (2311, 933295), (2629, 820405), (3905, 552329), (11555, 186659), (13145, 164081), (16969, 127105), (25421, 84845)]