28556859

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 41519104

約数和(自身を除く): 12962245

約数列:

[1, 3, 31, 37, 43, 93, 111, 129, 193, 579, 1147, 1333, 1591, 3441, 3999, 4773, 5983, 7141, 8299, 17949, 21423, 24897, 49321, 147963, 221371, 257269, 307063, 664113, 771807, 921189, 9518953, 28556859]

約数ペア:

[(1, 28556859), (3, 9518953), (31, 921189), (37, 771807), (43, 664113), (93, 307063), (111, 257269), (129, 221371), (193, 147963), (579, 49321), (1147, 24897), (1333, 21423), (1591, 17949), (3441, 8299), (3999, 7141), (4773, 5983)]