28478170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1583}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 58848768

約数和(自身を除く): 30370598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1583, 1799, 2570, 3166, 3598, 7915, 8995, 11081, 15830, 17990, 22162, 55405, 110810, 406831, 813662, 2034155, 2847817, 4068310, 5695634, 14239085, 28478170]

約数ペア:

[(1, 28478170), (2, 14239085), (5, 5695634), (7, 4068310), (10, 2847817), (14, 2034155), (35, 813662), (70, 406831), (257, 110810), (514, 55405), (1285, 22162), (1583, 17990), (1799, 15830), (2570, 11081), (3166, 8995), (3598, 7915)]