55321784

素因数分解:

$2^3\times 7^3\times {\mathrm{20161}}^1$

素因数の和:20188

約数の個数: 32

約数和(自身を含む): 120972000

約数和(自身を除く): 65650216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 20161, 40322, 80644, 141127, 161288, 282254, 564508, 987889, 1129016, 1975778, 3951556, 6915223, 7903112, 13830446, 27660892, 55321784]

約数ペア:

[(1, 55321784), (2, 27660892), (4, 13830446), (7, 7903112), (8, 6915223), (14, 3951556), (28, 1975778), (49, 1129016), (56, 987889), (98, 564508), (196, 282254), (343, 161288), (392, 141127), (686, 80644), (1372, 40322), (2744, 20161)]