28720726

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1515

約数の個数: 16

約数和(自身を含む): 43939584

約数和(自身を除く): 15218858

約数列:

[1, 2, 103, 107, 206, 214, 1303, 2606, 11021, 22042, 134209, 139421, 268418, 278842, 14360363, 28720726]

約数ペア:

[(1, 28720726), (2, 14360363), (103, 278842), (107, 268418), (206, 139421), (214, 134209), (1303, 22042), (2606, 11021)]