28213554

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 57867264

約数和(自身を除く): 29653710

約数列:

[1, 2, 3, 6, 71, 103, 142, 206, 213, 309, 426, 618, 643, 1286, 1929, 3858, 7313, 14626, 21939, 43878, 45653, 66229, 91306, 132458, 136959, 198687, 273918, 397374, 4702259, 9404518, 14106777, 28213554]

約数ペア:

[(1, 28213554), (2, 14106777), (3, 9404518), (6, 4702259), (71, 397374), (103, 273918), (142, 198687), (206, 136959), (213, 132458), (309, 91306), (426, 66229), (618, 45653), (643, 43878), (1286, 21939), (1929, 14626), (3858, 7313)]