51218138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 82736640

約数和(自身を除く): 31518502

約数列:

[1, 2, 31, 37, 62, 74, 83, 166, 269, 538, 1147, 2294, 2573, 3071, 5146, 6142, 8339, 9953, 16678, 19906, 22327, 44654, 95201, 190402, 308543, 617086, 692137, 826099, 1384274, 1652198, 25609069, 51218138]

約数ペア:

[(1, 51218138), (2, 25609069), (31, 1652198), (37, 1384274), (62, 826099), (74, 692137), (83, 617086), (166, 308543), (269, 190402), (538, 95201), (1147, 44654), (2294, 22327), (2573, 19906), (3071, 16678), (5146, 9953), (6142, 8339)]