281232016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{5261}}^1$

素因数の和:5539

約数の個数: 40

約数和(自身を含む): 589196664

約数和(自身を除く): 307964648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 257, 514, 1028, 2056, 3341, 4112, 5261, 6682, 10522, 13364, 21044, 26728, 42088, 53456, 68393, 84176, 136786, 273572, 547144, 1094288, 1352077, 2704154, 5408308, 10816616, 17577001, 21633232, 35154002, 70308004, 140616008, 281232016]

約数ペア:

[(1, 281232016), (2, 140616008), (4, 70308004), (8, 35154002), (13, 21633232), (16, 17577001), (26, 10816616), (52, 5408308), (104, 2704154), (208, 1352077), (257, 1094288), (514, 547144), (1028, 273572), (2056, 136786), (3341, 84176), (4112, 68393), (5261, 53456), (6682, 42088), (10522, 26728), (13364, 21044)]