402437585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 537663744

約数和(自身を除く): 135226159

約数列:

[1, 5, 11, 55, 71, 257, 355, 401, 781, 1285, 2005, 2827, 3905, 4411, 14135, 18247, 22055, 28471, 91235, 103057, 142355, 200717, 313181, 515285, 1003585, 1133627, 1565905, 5668135, 7317047, 36585235, 80487517, 402437585]

約数ペア:

[(1, 402437585), (5, 80487517), (11, 36585235), (55, 7317047), (71, 5668135), (257, 1565905), (355, 1133627), (401, 1003585), (781, 515285), (1285, 313181), (2005, 200717), (2827, 142355), (3905, 103057), (4411, 91235), (14135, 28471), (18247, 22055)]