28710838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 47803392

約数和(自身を除く): 19092554

約数列:

[1, 2, 13, 26, 71, 103, 142, 151, 206, 302, 923, 1339, 1846, 1963, 2678, 3926, 7313, 10721, 14626, 15553, 21442, 31106, 95069, 139373, 190138, 202189, 278746, 404378, 1104263, 2208526, 14355419, 28710838]

約数ペア:

[(1, 28710838), (2, 14355419), (13, 2208526), (26, 1104263), (71, 404378), (103, 278746), (142, 202189), (151, 190138), (206, 139373), (302, 95069), (923, 31106), (1339, 21442), (1846, 15553), (1963, 14626), (2678, 10721), (3926, 7313)]