28286622

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2502

約数の個数: 72

約数和(自身を含む): 76809096

約数和(自身を除く): 48522474

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2467, 3822, 4934, 5733, 7401, 11466, 14802, 17269, 22203, 32071, 34538, 44406, 51807, 64142, 96213, 103614, 120883, 155421, 192426, 224497, 241766, 288639, 310842, 362649, 448994, 577278, 673491, 725298, 1087947, 1346982, 1571479, 2020473, 2175894, 3142958, 4040946, 4714437, 9428874, 14143311, 28286622]

約数ペア:

[(1, 28286622), (2, 14143311), (3, 9428874), (6, 4714437), (7, 4040946), (9, 3142958), (13, 2175894), (14, 2020473), (18, 1571479), (21, 1346982), (26, 1087947), (39, 725298), (42, 673491), (49, 577278), (63, 448994), (78, 362649), (91, 310842), (98, 288639), (117, 241766), (126, 224497), (147, 192426), (182, 155421), (234, 120883), (273, 103614), (294, 96213), (441, 64142), (546, 51807), (637, 44406), (819, 34538), (882, 32071), (1274, 22203), (1638, 17269), (1911, 14802), (2467, 11466), (3822, 7401), (4934, 5733)]