28263564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5903}}^1$

素因数の和:5939

約数の個数: 72

約数和(自身を含む): 85962240

約数和(自身を除く): 57698676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5903, 11806, 17709, 23612, 35418, 41321, 53127, 70836, 82642, 106254, 112157, 123963, 165284, 212508, 224314, 247926, 336471, 371889, 448628, 495852, 672942, 743778, 785099, 1009413, 1345884, 1487556, 1570198, 2018826, 2355297, 3140396, 4037652, 4710594, 7065891, 9421188, 14131782, 28263564]

約数ペア:

[(1, 28263564), (2, 14131782), (3, 9421188), (4, 7065891), (6, 4710594), (7, 4037652), (9, 3140396), (12, 2355297), (14, 2018826), (18, 1570198), (19, 1487556), (21, 1345884), (28, 1009413), (36, 785099), (38, 743778), (42, 672942), (57, 495852), (63, 448628), (76, 371889), (84, 336471), (114, 247926), (126, 224314), (133, 212508), (171, 165284), (228, 123963), (252, 112157), (266, 106254), (342, 82642), (399, 70836), (532, 53127), (684, 41321), (798, 35418), (1197, 23612), (1596, 17709), (2394, 11806), (4788, 5903)]