28605564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3217}}^1$

素因数の和:3259

約数の個数: 72

約数和(自身を含む): 81994640

約数和(自身を除く): 53389076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3217, 4446, 6434, 8892, 9651, 12868, 19302, 28953, 38604, 41821, 57906, 61123, 83642, 115812, 122246, 125463, 167284, 183369, 244492, 250926, 366738, 376389, 501852, 550107, 733476, 752778, 794599, 1100214, 1505556, 1589198, 2200428, 2383797, 3178396, 4767594, 7151391, 9535188, 14302782, 28605564]

約数ペア:

[(1, 28605564), (2, 14302782), (3, 9535188), (4, 7151391), (6, 4767594), (9, 3178396), (12, 2383797), (13, 2200428), (18, 1589198), (19, 1505556), (26, 1100214), (36, 794599), (38, 752778), (39, 733476), (52, 550107), (57, 501852), (76, 376389), (78, 366738), (114, 250926), (117, 244492), (156, 183369), (171, 167284), (228, 125463), (234, 122246), (247, 115812), (342, 83642), (468, 61123), (494, 57906), (684, 41821), (741, 38604), (988, 28953), (1482, 19302), (2223, 12868), (2964, 9651), (3217, 8892), (4446, 6434)]