28779408

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 160

約数和(自身を含む): 97771520

約数和(自身を除く): 68992112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 84, 93, 108, 112, 124, 126, 144, 168, 186, 189, 216, 217, 248, 252, 279, 307, 336, 372, 378, 432, 434, 496, 504, 558, 614, 651, 744, 756, 837, 868, 921, 1008, 1116, 1228, 1302, 1488, 1512, 1674, 1736, 1842, 1953, 2149, 2232, 2456, 2604, 2763, 3024, 3348, 3472, 3684, 3906, 4298, 4464, 4912, 5208, 5526, 5859, 6447, 6696, 7368, 7812, 8289, 8596, 9517, 10416, 11052, 11718, 12894, 13392, 14736, 15624, 16578, 17192, 19034, 19341, 22104, 23436, 25788, 28551, 31248, 33156, 34384, 38068, 38682, 44208, 46872, 51576, 57102, 58023, 66312, 66619, 76136, 77364, 85653, 93744, 103152, 114204, 116046, 132624, 133238, 152272, 154728, 171306, 199857, 228408, 232092, 256959, 266476, 309456, 342612, 399714, 456816, 464184, 513918, 532952, 599571, 685224, 799428, 928368, 1027836, 1065904, 1199142, 1370448, 1598856, 1798713, 2055672, 2398284, 3197712, 3597426, 4111344, 4796568, 7194852, 9593136, 14389704, 28779408]

約数ペア:

[(1, 28779408), (2, 14389704), (3, 9593136), (4, 7194852), (6, 4796568), (7, 4111344), (8, 3597426), (9, 3197712), (12, 2398284), (14, 2055672), (16, 1798713), (18, 1598856), (21, 1370448), (24, 1199142), (27, 1065904), (28, 1027836), (31, 928368), (36, 799428), (42, 685224), (48, 599571), (54, 532952), (56, 513918), (62, 464184), (63, 456816), (72, 399714), (84, 342612), (93, 309456), (108, 266476), (112, 256959), (124, 232092), (126, 228408), (144, 199857), (168, 171306), (186, 154728), (189, 152272), (216, 133238), (217, 132624), (248, 116046), (252, 114204), (279, 103152), (307, 93744), (336, 85653), (372, 77364), (378, 76136), (432, 66619), (434, 66312), (496, 58023), (504, 57102), (558, 51576), (614, 46872), (651, 44208), (744, 38682), (756, 38068), (837, 34384), (868, 33156), (921, 31248), (1008, 28551), (1116, 25788), (1228, 23436), (1302, 22104), (1488, 19341), (1512, 19034), (1674, 17192), (1736, 16578), (1842, 15624), (1953, 14736), (2149, 13392), (2232, 12894), (2456, 11718), (2604, 11052), (2763, 10416), (3024, 9517), (3348, 8596), (3472, 8289), (3684, 7812), (3906, 7368), (4298, 6696), (4464, 6447), (4912, 5859), (5208, 5526)]