28784888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7607}}^1$

素因数の和:7667

約数の個数: 32

約数和(自身を含む): 60255360

約数和(自身を除く): 31470472

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 7607, 15214, 30428, 60856, 83677, 167354, 327101, 334708, 654202, 669416, 1308404, 2616808, 3598111, 7196222, 14392444, 28784888]

約数ペア:

[(1, 28784888), (2, 14392444), (4, 7196222), (8, 3598111), (11, 2616808), (22, 1308404), (43, 669416), (44, 654202), (86, 334708), (88, 327101), (172, 167354), (344, 83677), (473, 60856), (946, 30428), (1892, 15214), (3784, 7607)]