51681868

素因数分解:

$2^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 106624000

約数和(自身を除く): 54942132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 271, 278, 343, 542, 556, 686, 973, 1084, 1372, 1897, 1946, 3794, 3892, 6811, 7588, 13279, 13622, 26558, 27244, 37669, 47677, 53116, 75338, 92953, 95354, 150676, 185906, 190708, 263683, 371812, 527366, 1054732, 1845781, 3691562, 7383124, 12920467, 25840934, 51681868]

約数ペア:

[(1, 51681868), (2, 25840934), (4, 12920467), (7, 7383124), (14, 3691562), (28, 1845781), (49, 1054732), (98, 527366), (139, 371812), (196, 263683), (271, 190708), (278, 185906), (343, 150676), (542, 95354), (556, 92953), (686, 75338), (973, 53116), (1084, 47677), (1372, 37669), (1897, 27244), (1946, 26558), (3794, 13622), (3892, 13279), (6811, 7588)]