51112831

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 73728000

約数和(自身を除く): 22615169

約数列:

[1, 7, 11, 19, 23, 31, 49, 77, 133, 161, 209, 217, 253, 341, 343, 437, 539, 589, 713, 931, 1127, 1463, 1519, 1771, 2387, 3059, 3773, 4123, 4807, 4991, 6479, 6517, 7843, 7889, 10241, 10633, 12397, 13547, 16709, 21413, 28861, 33649, 34937, 45353, 54901, 71687, 86779, 94829, 116963, 149017, 149891, 202027, 235543, 244559, 317471, 384307, 663803, 1043119, 1648801, 2222297, 2690149, 4646621, 7301833, 51112831]

約数ペア:

[(1, 51112831), (7, 7301833), (11, 4646621), (19, 2690149), (23, 2222297), (31, 1648801), (49, 1043119), (77, 663803), (133, 384307), (161, 317471), (209, 244559), (217, 235543), (253, 202027), (341, 149891), (343, 149017), (437, 116963), (539, 94829), (589, 86779), (713, 71687), (931, 54901), (1127, 45353), (1463, 34937), (1519, 33649), (1771, 28861), (2387, 21413), (3059, 16709), (3773, 13547), (4123, 12397), (4807, 10633), (4991, 10241), (6479, 7889), (6517, 7843)]