218505978

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{37123}}^1$

素因数の和:37243

約数の個数: 32

約数和(自身を含む): 490036800

約数和(自身を除く): 271530822

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 5886, 37123, 74246, 111369, 222738, 334107, 668214, 1002321, 2004642, 4046407, 8092814, 12139221, 24278442, 36417663, 72835326, 109252989, 218505978]

約数ペア:

[(1, 218505978), (2, 109252989), (3, 72835326), (6, 36417663), (9, 24278442), (18, 12139221), (27, 8092814), (54, 4046407), (109, 2004642), (218, 1002321), (327, 668214), (654, 334107), (981, 222738), (1962, 111369), (2943, 74246), (5886, 37123)]