28640612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 70447104

約数和(自身を除く): 41806492

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 77, 91, 92, 143, 154, 161, 182, 253, 286, 299, 308, 311, 322, 364, 506, 572, 598, 622, 644, 1001, 1012, 1196, 1244, 1771, 2002, 2093, 2177, 3289, 3421, 3542, 4004, 4043, 4186, 4354, 6578, 6842, 7084, 7153, 8086, 8372, 8708, 13156, 13684, 14306, 16172, 23023, 23947, 28301, 28612, 44473, 46046, 47894, 50071, 56602, 78683, 88946, 92092, 92989, 95788, 100142, 113204, 157366, 177892, 185978, 200284, 311311, 314732, 371956, 550781, 622622, 650923, 1022879, 1101562, 1245244, 1301846, 2045758, 2203124, 2603692, 4091516, 7160153, 14320306, 28640612]

約数ペア:

[(1, 28640612), (2, 14320306), (4, 7160153), (7, 4091516), (11, 2603692), (13, 2203124), (14, 2045758), (22, 1301846), (23, 1245244), (26, 1101562), (28, 1022879), (44, 650923), (46, 622622), (52, 550781), (77, 371956), (91, 314732), (92, 311311), (143, 200284), (154, 185978), (161, 177892), (182, 157366), (253, 113204), (286, 100142), (299, 95788), (308, 92989), (311, 92092), (322, 88946), (364, 78683), (506, 56602), (572, 50071), (598, 47894), (622, 46046), (644, 44473), (1001, 28612), (1012, 28301), (1196, 23947), (1244, 23023), (1771, 16172), (2002, 14306), (2093, 13684), (2177, 13156), (3289, 8708), (3421, 8372), (3542, 8086), (4004, 7153), (4043, 7084), (4186, 6842), (4354, 6578)]