1388808218

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{15349}}^1$

素因数の和:15662

約数の個数: 32

約数和(自身を含む): 2493331200

約数和(自身を除く): 1104522982

約数列:

[1, 2, 7, 14, 23, 46, 161, 281, 322, 562, 1967, 3934, 6463, 12926, 15349, 30698, 45241, 90482, 107443, 214886, 353027, 706054, 2471189, 4313069, 4942378, 8626138, 30191483, 60382966, 99200587, 198401174, 694404109, 1388808218]

約数ペア:

[(1, 1388808218), (2, 694404109), (7, 198401174), (14, 99200587), (23, 60382966), (46, 30191483), (161, 8626138), (281, 4942378), (322, 4313069), (562, 2471189), (1967, 706054), (3934, 353027), (6463, 214886), (12926, 107443), (15349, 90482), (30698, 45241)]