28004778

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 65126880

約数和(自身を除く): 37122102

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 243, 261, 486, 522, 783, 1566, 1987, 2349, 3974, 4698, 5961, 7047, 11922, 14094, 17883, 35766, 53649, 57623, 107298, 115246, 160947, 172869, 321894, 345738, 482841, 518607, 965682, 1037214, 1555821, 3111642, 4667463, 9334926, 14002389, 28004778]

約数ペア:

[(1, 28004778), (2, 14002389), (3, 9334926), (6, 4667463), (9, 3111642), (18, 1555821), (27, 1037214), (29, 965682), (54, 518607), (58, 482841), (81, 345738), (87, 321894), (162, 172869), (174, 160947), (243, 115246), (261, 107298), (486, 57623), (522, 53649), (783, 35766), (1566, 17883), (1987, 14094), (2349, 11922), (3974, 7047), (4698, 5961)]