28073826

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 67324608

約数和(自身を除く): 39250782

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1562, 1997, 2343, 3994, 4686, 5991, 7029, 11982, 14058, 17973, 21967, 35946, 43934, 65901, 131802, 141787, 197703, 283574, 395406, 425361, 850722, 1276083, 1559657, 2552166, 3119314, 4678971, 9357942, 14036913, 28073826]

約数ペア:

[(1, 28073826), (2, 14036913), (3, 9357942), (6, 4678971), (9, 3119314), (11, 2552166), (18, 1559657), (22, 1276083), (33, 850722), (66, 425361), (71, 395406), (99, 283574), (142, 197703), (198, 141787), (213, 131802), (426, 65901), (639, 43934), (781, 35946), (1278, 21967), (1562, 17973), (1997, 14058), (2343, 11982), (3994, 7029), (4686, 5991)]