28391808

素因数分解:

$2^7\times 3^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 76230720

約数和(自身を除く): 47838912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 321, 384, 428, 642, 691, 856, 1284, 1382, 1712, 2073, 2568, 2764, 3424, 4146, 5136, 5528, 6848, 8292, 10272, 11056, 13696, 16584, 20544, 22112, 33168, 41088, 44224, 66336, 73937, 88448, 132672, 147874, 221811, 265344, 295748, 443622, 591496, 887244, 1182992, 1774488, 2365984, 3548976, 4731968, 7097952, 9463936, 14195904, 28391808]

約数ペア:

[(1, 28391808), (2, 14195904), (3, 9463936), (4, 7097952), (6, 4731968), (8, 3548976), (12, 2365984), (16, 1774488), (24, 1182992), (32, 887244), (48, 591496), (64, 443622), (96, 295748), (107, 265344), (128, 221811), (192, 147874), (214, 132672), (321, 88448), (384, 73937), (428, 66336), (642, 44224), (691, 41088), (856, 33168), (1284, 22112), (1382, 20544), (1712, 16584), (2073, 13696), (2568, 11056), (2764, 10272), (3424, 8292), (4146, 6848), (5136, 5528)]