28287354

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 63296640

約数和(自身を除く): 35009286

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 73, 87, 102, 131, 146, 174, 219, 262, 393, 438, 493, 786, 986, 1241, 1479, 2117, 2227, 2482, 2958, 3723, 3799, 4234, 4454, 6351, 6681, 7446, 7598, 9563, 11397, 12702, 13362, 19126, 22794, 28689, 35989, 57378, 64583, 71978, 107967, 129166, 162571, 193749, 215934, 277327, 325142, 387498, 487713, 554654, 831981, 975426, 1663962, 4714559, 9429118, 14143677, 28287354]

約数ペア:

[(1, 28287354), (2, 14143677), (3, 9429118), (6, 4714559), (17, 1663962), (29, 975426), (34, 831981), (51, 554654), (58, 487713), (73, 387498), (87, 325142), (102, 277327), (131, 215934), (146, 193749), (174, 162571), (219, 129166), (262, 107967), (393, 71978), (438, 64583), (493, 57378), (786, 35989), (986, 28689), (1241, 22794), (1479, 19126), (2117, 13362), (2227, 12702), (2482, 11397), (2958, 9563), (3723, 7598), (3799, 7446), (4234, 6681), (4454, 6351)]