28776726

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 72783360

約数和(自身を除く): 44006634

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 71, 89, 99, 138, 142, 178, 198, 207, 213, 253, 267, 414, 426, 506, 534, 639, 759, 781, 801, 979, 1278, 1518, 1562, 1602, 1633, 1958, 2047, 2277, 2343, 2937, 3266, 4094, 4554, 4686, 4899, 5874, 6141, 6319, 7029, 8811, 9798, 12282, 12638, 14058, 14697, 17622, 17963, 18423, 18957, 22517, 29394, 35926, 36846, 37914, 45034, 53889, 56871, 67551, 69509, 107778, 113742, 135102, 139018, 145337, 161667, 202653, 208527, 290674, 323334, 405306, 417054, 436011, 625581, 872022, 1251162, 1308033, 1598707, 2616066, 3197414, 4796121, 9592242, 14388363, 28776726]

約数ペア:

[(1, 28776726), (2, 14388363), (3, 9592242), (6, 4796121), (9, 3197414), (11, 2616066), (18, 1598707), (22, 1308033), (23, 1251162), (33, 872022), (46, 625581), (66, 436011), (69, 417054), (71, 405306), (89, 323334), (99, 290674), (138, 208527), (142, 202653), (178, 161667), (198, 145337), (207, 139018), (213, 135102), (253, 113742), (267, 107778), (414, 69509), (426, 67551), (506, 56871), (534, 53889), (639, 45034), (759, 37914), (781, 36846), (801, 35926), (979, 29394), (1278, 22517), (1518, 18957), (1562, 18423), (1602, 17963), (1633, 17622), (1958, 14697), (2047, 14058), (2277, 12638), (2343, 12282), (2937, 9798), (3266, 8811), (4094, 7029), (4554, 6319), (4686, 6141), (4899, 5874)]