28719502

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 52070400

約数和(自身を除く): 23350898

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 1106, 1129, 1817, 2258, 3634, 7903, 12719, 15806, 25438, 25967, 51934, 89191, 178382, 181769, 363538, 624337, 1248674, 2051393, 4102786, 14359751, 28719502]

約数ペア:

[(1, 28719502), (2, 14359751), (7, 4102786), (14, 2051393), (23, 1248674), (46, 624337), (79, 363538), (158, 181769), (161, 178382), (322, 89191), (553, 51934), (1106, 25967), (1129, 25438), (1817, 15806), (2258, 12719), (3634, 7903)]