51649255

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 73801728

約数和(自身を除く): 22152473

約数列:

[1, 5, 7, 31, 35, 155, 181, 217, 263, 905, 1085, 1267, 1315, 1841, 5611, 6335, 8153, 9205, 28055, 39277, 40765, 47603, 57071, 196385, 238015, 285355, 333221, 1475693, 1666105, 7378465, 10329851, 51649255]

約数ペア:

[(1, 51649255), (5, 10329851), (7, 7378465), (31, 1666105), (35, 1475693), (155, 333221), (181, 285355), (217, 238015), (263, 196385), (905, 57071), (1085, 47603), (1267, 40765), (1315, 39277), (1841, 28055), (5611, 9205), (6335, 8153)]