28542514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 30244046

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 143, 154, 182, 269, 286, 371, 538, 583, 689, 742, 1001, 1166, 1378, 1883, 2002, 2959, 3497, 3766, 4081, 4823, 5918, 6994, 7579, 8162, 9646, 14257, 15158, 20713, 24479, 28514, 38467, 41426, 48958, 53053, 76934, 99799, 106106, 156827, 185341, 199598, 269269, 313654, 370682, 538538, 1097789, 1297387, 2038751, 2195578, 2594774, 4077502, 14271257, 28542514]

約数ペア:

[(1, 28542514), (2, 14271257), (7, 4077502), (11, 2594774), (13, 2195578), (14, 2038751), (22, 1297387), (26, 1097789), (53, 538538), (77, 370682), (91, 313654), (106, 269269), (143, 199598), (154, 185341), (182, 156827), (269, 106106), (286, 99799), (371, 76934), (538, 53053), (583, 48958), (689, 41426), (742, 38467), (1001, 28514), (1166, 24479), (1378, 20713), (1883, 15158), (2002, 14257), (2959, 9646), (3497, 8162), (3766, 7579), (4081, 6994), (4823, 5918)]