218151808

素因数分解:

$2^7\times 7^1\times {\mathrm{243473}}^1$

素因数の和:243494

約数の個数: 32

約数和(自身を含む): 496686960

約数和(自身を除く): 278535152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 243473, 486946, 973892, 1704311, 1947784, 3408622, 3895568, 6817244, 7791136, 13634488, 15582272, 27268976, 31164544, 54537952, 109075904, 218151808]

約数ペア:

[(1, 218151808), (2, 109075904), (4, 54537952), (7, 31164544), (8, 27268976), (14, 15582272), (16, 13634488), (28, 7791136), (32, 6817244), (56, 3895568), (64, 3408622), (112, 1947784), (128, 1704311), (224, 973892), (448, 486946), (896, 243473)]