28699748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 64886976

約数和(自身を除く): 36187228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 121, 154, 172, 197, 242, 301, 308, 394, 473, 484, 602, 788, 847, 946, 1204, 1379, 1694, 1892, 2167, 2758, 3311, 3388, 4334, 5203, 5516, 6622, 8471, 8668, 10406, 13244, 15169, 16942, 20812, 23837, 30338, 33884, 36421, 47674, 59297, 60676, 72842, 93181, 95348, 118594, 145684, 166859, 186362, 237188, 333718, 372724, 652267, 667436, 1024991, 1304534, 2049982, 2609068, 4099964, 7174937, 14349874, 28699748]

約数ペア:

[(1, 28699748), (2, 14349874), (4, 7174937), (7, 4099964), (11, 2609068), (14, 2049982), (22, 1304534), (28, 1024991), (43, 667436), (44, 652267), (77, 372724), (86, 333718), (121, 237188), (154, 186362), (172, 166859), (197, 145684), (242, 118594), (301, 95348), (308, 93181), (394, 72842), (473, 60676), (484, 59297), (602, 47674), (788, 36421), (847, 33884), (946, 30338), (1204, 23837), (1379, 20812), (1694, 16942), (1892, 15169), (2167, 13244), (2758, 10406), (3311, 8668), (3388, 8471), (4334, 6622), (5203, 5516)]