28278016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 63098280

約数和(自身を除く): 34820264

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 293, 377, 416, 464, 586, 754, 832, 928, 1172, 1508, 1664, 1856, 2344, 3016, 3328, 3712, 3809, 4688, 6032, 7424, 7618, 8497, 9376, 12064, 15236, 16994, 18752, 24128, 30472, 33988, 37504, 48256, 60944, 67976, 75008, 96512, 110461, 121888, 135952, 220922, 243776, 271904, 441844, 487552, 543808, 883688, 975104, 1087616, 1767376, 2175232, 3534752, 7069504, 14139008, 28278016]

約数ペア:

[(1, 28278016), (2, 14139008), (4, 7069504), (8, 3534752), (13, 2175232), (16, 1767376), (26, 1087616), (29, 975104), (32, 883688), (52, 543808), (58, 487552), (64, 441844), (104, 271904), (116, 243776), (128, 220922), (208, 135952), (232, 121888), (256, 110461), (293, 96512), (377, 75008), (416, 67976), (464, 60944), (586, 48256), (754, 37504), (832, 33988), (928, 30472), (1172, 24128), (1508, 18752), (1664, 16994), (1856, 15236), (2344, 12064), (3016, 9376), (3328, 8497), (3712, 7618), (3809, 7424), (4688, 6032)]