218139658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{28411}}^1$

素因数の和:28773

約数の個数: 16

約数和(自身を含む): 357991200

約数和(自身を除く): 139851542

約数列:

[1, 2, 11, 22, 349, 698, 3839, 7678, 28411, 56822, 312521, 625042, 9915439, 19830878, 109069829, 218139658]

約数ペア:

[(1, 218139658), (2, 109069829), (11, 19830878), (22, 9915439), (349, 625042), (698, 312521), (3839, 56822), (7678, 28411)]