28651168

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9839}}^1$

素因数の和:9869

約数の個数: 48

約数和(自身を含む): 69431040

約数和(自身を除く): 40779872

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9839, 19678, 39356, 68873, 78712, 127907, 137746, 157424, 255814, 275492, 314848, 511628, 550984, 895349, 1023256, 1101968, 1790698, 2046512, 2203936, 3581396, 4093024, 7162792, 14325584, 28651168]

約数ペア:

[(1, 28651168), (2, 14325584), (4, 7162792), (7, 4093024), (8, 3581396), (13, 2203936), (14, 2046512), (16, 1790698), (26, 1101968), (28, 1023256), (32, 895349), (52, 550984), (56, 511628), (91, 314848), (104, 275492), (112, 255814), (182, 157424), (208, 137746), (224, 127907), (364, 78712), (416, 68873), (728, 39356), (1456, 19678), (2912, 9839)]