218441768

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{665981}}^1$

素因数の和:666028

約数の個数: 16

約数和(自身を含む): 419568660

約数和(自身を除く): 201126892

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 665981, 1331962, 2663924, 5327848, 27305221, 54610442, 109220884, 218441768]

約数ペア:

[(1, 218441768), (2, 109220884), (4, 54610442), (8, 27305221), (41, 5327848), (82, 2663924), (164, 1331962), (328, 665981)]