28661766

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 70464000

約数和(自身を除く): 41802234

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 733, 798, 931, 1029, 1466, 1862, 2058, 2199, 2793, 4398, 5131, 5586, 6517, 10262, 13034, 13927, 15393, 19551, 27854, 30786, 35917, 39102, 41781, 71834, 83562, 97489, 107751, 194978, 215502, 251419, 292467, 502838, 584934, 682423, 754257, 1364846, 1508514, 2047269, 4094538, 4776961, 9553922, 14330883, 28661766]

約数ペア:

[(1, 28661766), (2, 14330883), (3, 9553922), (6, 4776961), (7, 4094538), (14, 2047269), (19, 1508514), (21, 1364846), (38, 754257), (42, 682423), (49, 584934), (57, 502838), (98, 292467), (114, 251419), (133, 215502), (147, 194978), (266, 107751), (294, 97489), (343, 83562), (399, 71834), (686, 41781), (733, 39102), (798, 35917), (931, 30786), (1029, 27854), (1466, 19551), (1862, 15393), (2058, 13927), (2199, 13034), (2793, 10262), (4398, 6517), (5131, 5586)]