51137569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 64716800

約数和(自身を除く): 13579231

約数列:

[1, 7, 19, 31, 79, 133, 157, 217, 553, 589, 1099, 1501, 2449, 2983, 4123, 4867, 10507, 12403, 17143, 20881, 34069, 46531, 86821, 92473, 235657, 325717, 384493, 647311, 1649599, 2691451, 7305367, 51137569]

約数ペア:

[(1, 51137569), (7, 7305367), (19, 2691451), (31, 1649599), (79, 647311), (133, 384493), (157, 325717), (217, 235657), (553, 92473), (589, 86821), (1099, 46531), (1501, 34069), (2449, 20881), (2983, 17143), (4123, 12403), (4867, 10507)]