218730708

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{123997}}^1$

素因数の和:124021

約数の個数: 54

約数和(自身を含む): 643177626

約数和(自身を除く): 424446918

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 123997, 247994, 371991, 495988, 743982, 867979, 1115973, 1487964, 1735958, 2231946, 2603937, 3471916, 4463892, 5207874, 6075853, 7811811, 10415748, 12151706, 15623622, 18227559, 24303412, 31247244, 36455118, 54682677, 72910236, 109365354, 218730708]

約数ペア:

[(1, 218730708), (2, 109365354), (3, 72910236), (4, 54682677), (6, 36455118), (7, 31247244), (9, 24303412), (12, 18227559), (14, 15623622), (18, 12151706), (21, 10415748), (28, 7811811), (36, 6075853), (42, 5207874), (49, 4463892), (63, 3471916), (84, 2603937), (98, 2231946), (126, 1735958), (147, 1487964), (196, 1115973), (252, 867979), (294, 743982), (441, 495988), (588, 371991), (882, 247994), (1764, 123997)]