203996947

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 272292192

約数和(自身を除く): 68295245

約数列:

[1, 7, 11, 37, 49, 53, 77, 193, 259, 371, 407, 539, 583, 1351, 1813, 1961, 2123, 2597, 2849, 4081, 7141, 9457, 10229, 13727, 14861, 19943, 21571, 28567, 49987, 71603, 78551, 96089, 104027, 112519, 150997, 349909, 378473, 501221, 549857, 787633, 1056979, 2649311, 3848999, 4163203, 5513431, 18545177, 29142421, 203996947]

約数ペア:

[(1, 203996947), (7, 29142421), (11, 18545177), (37, 5513431), (49, 4163203), (53, 3848999), (77, 2649311), (193, 1056979), (259, 787633), (371, 549857), (407, 501221), (539, 378473), (583, 349909), (1351, 150997), (1813, 112519), (1961, 104027), (2123, 96089), (2597, 78551), (2849, 71603), (4081, 49987), (7141, 28567), (9457, 21571), (10229, 19943), (13727, 14861)]