28478562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{678061}}^1$

素因数の和:678073

約数の個数: 16

約数和(自身を含む): 65093952

約数和(自身を除く): 36615390

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 678061, 1356122, 2034183, 4068366, 4746427, 9492854, 14239281, 28478562]

約数ペア:

[(1, 28478562), (2, 14239281), (3, 9492854), (6, 4746427), (7, 4068366), (14, 2034183), (21, 1356122), (42, 678061)]