2561104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 6110720

約数和(自身を除く): 3549616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1759, 3518, 7036, 12313, 14072, 22867, 24626, 28144, 45734, 49252, 91468, 98504, 160069, 182936, 197008, 320138, 365872, 640276, 1280552, 2561104]

約数ペア:

[(1, 2561104), (2, 1280552), (4, 640276), (7, 365872), (8, 320138), (13, 197008), (14, 182936), (16, 160069), (26, 98504), (28, 91468), (52, 49252), (56, 45734), (91, 28144), (104, 24626), (112, 22867), (182, 14072), (208, 12313), (364, 7036), (728, 3518), (1456, 1759)]