77121385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 103993344

約数和(自身を除く): 26871959

約数列:

[1, 5, 11, 55, 61, 127, 181, 305, 635, 671, 905, 1397, 1991, 3355, 6985, 7747, 9955, 11041, 22987, 38735, 55205, 85217, 114935, 121451, 252857, 426085, 607255, 1264285, 1402207, 7011035, 15424277, 77121385]

約数ペア:

[(1, 77121385), (5, 15424277), (11, 7011035), (55, 1402207), (61, 1264285), (127, 607255), (181, 426085), (305, 252857), (635, 121451), (671, 114935), (905, 85217), (1397, 55205), (1991, 38735), (3355, 22987), (6985, 11041), (7747, 9955)]