28541268

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 96

約数和(自身を含む): 89062400

約数和(自身を除く): 60521132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1596, 1987, 2052, 2394, 3591, 3974, 4788, 5961, 7182, 7948, 11922, 13909, 14364, 17883, 23844, 27818, 35766, 37753, 41727, 53649, 55636, 71532, 75506, 83454, 107298, 113259, 125181, 151012, 166908, 214596, 226518, 250362, 264271, 339777, 375543, 453036, 500724, 528542, 679554, 751086, 792813, 1019331, 1057084, 1359108, 1502172, 1585626, 2038662, 2378439, 3171252, 4077324, 4756878, 7135317, 9513756, 14270634, 28541268]

約数ペア:

[(1, 28541268), (2, 14270634), (3, 9513756), (4, 7135317), (6, 4756878), (7, 4077324), (9, 3171252), (12, 2378439), (14, 2038662), (18, 1585626), (19, 1502172), (21, 1359108), (27, 1057084), (28, 1019331), (36, 792813), (38, 751086), (42, 679554), (54, 528542), (57, 500724), (63, 453036), (76, 375543), (84, 339777), (108, 264271), (114, 250362), (126, 226518), (133, 214596), (171, 166908), (189, 151012), (228, 125181), (252, 113259), (266, 107298), (342, 83454), (378, 75506), (399, 71532), (513, 55636), (532, 53649), (684, 41727), (756, 37753), (798, 35766), (1026, 27818), (1197, 23844), (1596, 17883), (1987, 14364), (2052, 13909), (2394, 11922), (3591, 7948), (3974, 7182), (4788, 5961)]