81576272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268343}}^1$

素因数の和:268370

約数の個数: 20

約数和(自身を含む): 166373280

約数和(自身を除く): 84797008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268343, 536686, 1073372, 2146744, 4293488, 5098517, 10197034, 20394068, 40788136, 81576272]

約数ペア:

[(1, 81576272), (2, 40788136), (4, 20394068), (8, 10197034), (16, 5098517), (19, 4293488), (38, 2146744), (76, 1073372), (152, 536686), (304, 268343)]