216958984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{17737}}^1$

素因数の和:17893

約数の個数: 32

約数和(自身を含む): 446997600

約数和(自身を除く): 230038616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 17737, 35474, 70948, 141896, 195107, 390214, 780428, 1560856, 2465443, 4930886, 9861772, 19723544, 27119873, 54239746, 108479492, 216958984]

約数ペア:

[(1, 216958984), (2, 108479492), (4, 54239746), (8, 27119873), (11, 19723544), (22, 9861772), (44, 4930886), (88, 2465443), (139, 1560856), (278, 780428), (556, 390214), (1112, 195107), (1529, 141896), (3058, 70948), (6116, 35474), (12232, 17737)]