28738577

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 33825792

約数和(自身を除く): 5087215

約数列:

[1, 7, 43, 301, 307, 311, 2149, 2177, 13201, 13373, 92407, 93611, 95477, 668339, 4105511, 28738577]

約数ペア:

[(1, 28738577), (7, 4105511), (43, 668339), (301, 95477), (307, 93611), (311, 92407), (2149, 13373), (2177, 13201)]