28720412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60337}}^1$

素因数の和:60365

約数の個数: 24

約数和(自身を含む): 60820704

約数和(自身を除く): 32100292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 60337, 120674, 241348, 422359, 844718, 1025729, 1689436, 2051458, 4102916, 7180103, 14360206, 28720412]

約数ペア:

[(1, 28720412), (2, 14360206), (4, 7180103), (7, 4102916), (14, 2051458), (17, 1689436), (28, 1025729), (34, 844718), (68, 422359), (119, 241348), (238, 120674), (476, 60337)]