28017396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 77968800

約数和(自身を除く): 49951404

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 396, 417, 509, 556, 834, 1018, 1251, 1527, 1529, 1668, 2036, 2502, 3054, 3058, 4581, 4587, 5004, 5599, 6108, 6116, 9162, 9174, 11198, 13761, 16797, 18324, 18348, 22396, 27522, 33594, 50391, 55044, 67188, 70751, 100782, 141502, 201564, 212253, 283004, 424506, 636759, 778261, 849012, 1273518, 1556522, 2334783, 2547036, 3113044, 4669566, 7004349, 9339132, 14008698, 28017396]

約数ペア:

[(1, 28017396), (2, 14008698), (3, 9339132), (4, 7004349), (6, 4669566), (9, 3113044), (11, 2547036), (12, 2334783), (18, 1556522), (22, 1273518), (33, 849012), (36, 778261), (44, 636759), (66, 424506), (99, 283004), (132, 212253), (139, 201564), (198, 141502), (278, 100782), (396, 70751), (417, 67188), (509, 55044), (556, 50391), (834, 33594), (1018, 27522), (1251, 22396), (1527, 18348), (1529, 18324), (1668, 16797), (2036, 13761), (2502, 11198), (3054, 9174), (3058, 9162), (4581, 6116), (4587, 6108), (5004, 5599)]