128285288292

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{290509}}^1$

素因数の和:291281

約数の個数: 72

約数和(自身を含む): 348667777920

約数和(自身を除く): 220382489628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 751, 1502, 2253, 3004, 4506, 5257, 9012, 10514, 15771, 21028, 31542, 36799, 63084, 73598, 110397, 147196, 220794, 290509, 441588, 581018, 871527, 1162036, 1743054, 2033563, 3486108, 4067126, 6100689, 8134252, 12201378, 14234941, 24402756, 28469882, 42704823, 56939764, 85409646, 170819292, 218172259, 436344518, 654516777, 872689036, 1309033554, 1527205813, 2618067108, 3054411626, 4581617439, 6108823252, 9163234878, 10690440691, 18326469756, 21380881382, 32071322073, 42761762764, 64142644146, 128285288292]

約数ペア:

[(1, 128285288292), (2, 64142644146), (3, 42761762764), (4, 32071322073), (6, 21380881382), (7, 18326469756), (12, 10690440691), (14, 9163234878), (21, 6108823252), (28, 4581617439), (42, 3054411626), (49, 2618067108), (84, 1527205813), (98, 1309033554), (147, 872689036), (196, 654516777), (294, 436344518), (588, 218172259), (751, 170819292), (1502, 85409646), (2253, 56939764), (3004, 42704823), (4506, 28469882), (5257, 24402756), (9012, 14234941), (10514, 12201378), (15771, 8134252), (21028, 6100689), (31542, 4067126), (36799, 3486108), (63084, 2033563), (73598, 1743054), (110397, 1162036), (147196, 871527), (220794, 581018), (290509, 441588)]