28112994

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1941

約数の個数: 80

約数和(自身を含む): 77571648

約数和(自身を除く): 49458654

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1638, 1907, 2106, 2457, 3814, 4914, 5721, 7371, 11442, 13349, 14742, 17163, 24791, 26698, 34326, 40047, 49582, 51489, 74373, 80094, 102978, 120141, 148746, 154467, 173537, 223119, 240282, 308934, 347074, 360423, 446238, 520611, 669357, 720846, 1041222, 1081269, 1338714, 1561833, 2008071, 2162538, 3123666, 4016142, 4685499, 9370998, 14056497, 28112994]

約数ペア:

[(1, 28112994), (2, 14056497), (3, 9370998), (6, 4685499), (7, 4016142), (9, 3123666), (13, 2162538), (14, 2008071), (18, 1561833), (21, 1338714), (26, 1081269), (27, 1041222), (39, 720846), (42, 669357), (54, 520611), (63, 446238), (78, 360423), (81, 347074), (91, 308934), (117, 240282), (126, 223119), (162, 173537), (182, 154467), (189, 148746), (234, 120141), (273, 102978), (351, 80094), (378, 74373), (546, 51489), (567, 49582), (702, 40047), (819, 34326), (1053, 26698), (1134, 24791), (1638, 17163), (1907, 14742), (2106, 13349), (2457, 11442), (3814, 7371), (4914, 5721)]