28120708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13043}}^1$

素因数の和:13072

約数の個数: 36

約数和(自身を含む): 62454672

約数和(自身を除く): 34333964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 13043, 26086, 52172, 91301, 143473, 182602, 286946, 365204, 573892, 639107, 1004311, 1278214, 2008622, 2556428, 4017244, 7030177, 14060354, 28120708]

約数ペア:

[(1, 28120708), (2, 14060354), (4, 7030177), (7, 4017244), (11, 2556428), (14, 2008622), (22, 1278214), (28, 1004311), (44, 639107), (49, 573892), (77, 365204), (98, 286946), (154, 182602), (196, 143473), (308, 91301), (539, 52172), (1078, 26086), (2156, 13043)]