1262667728

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{43867}}^1$

素因数の和:44139

約数の個数: 40

約数和(自身を含む): 2806850112

約数和(自身を除く): 1544182384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 1028, 1799, 2056, 3598, 4112, 7196, 14392, 28784, 43867, 87734, 175468, 307069, 350936, 614138, 701872, 1228276, 2456552, 4913104, 11273819, 22547638, 45095276, 78916733, 90190552, 157833466, 180381104, 315666932, 631333864, 1262667728]

約数ペア:

[(1, 1262667728), (2, 631333864), (4, 315666932), (7, 180381104), (8, 157833466), (14, 90190552), (16, 78916733), (28, 45095276), (56, 22547638), (112, 11273819), (257, 4913104), (514, 2456552), (1028, 1228276), (1799, 701872), (2056, 614138), (3598, 350936), (4112, 307069), (7196, 175468), (14392, 87734), (28784, 43867)]