28405674

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 47799126

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 29, 33, 34, 51, 54, 58, 66, 87, 97, 99, 102, 153, 174, 187, 194, 198, 261, 291, 297, 306, 319, 374, 459, 493, 522, 561, 582, 594, 638, 783, 873, 918, 957, 986, 1067, 1122, 1479, 1566, 1649, 1683, 1746, 1914, 2134, 2619, 2813, 2871, 2958, 3201, 3298, 3366, 4437, 4947, 5049, 5238, 5423, 5626, 5742, 6402, 8439, 8613, 8874, 9603, 9894, 10098, 10846, 13311, 14841, 16269, 16878, 17226, 18139, 19206, 25317, 26622, 28809, 29682, 30943, 32538, 36278, 44523, 47821, 48807, 50634, 54417, 57618, 61886, 75951, 89046, 92829, 95642, 97614, 108834, 143463, 146421, 151902, 163251, 185658, 278487, 286926, 292842, 326502, 430389, 489753, 526031, 556974, 835461, 860778, 979506, 1052062, 1291167, 1578093, 1670922, 2582334, 3156186, 4734279, 9468558, 14202837, 28405674]

約数ペア:

[(1, 28405674), (2, 14202837), (3, 9468558), (6, 4734279), (9, 3156186), (11, 2582334), (17, 1670922), (18, 1578093), (22, 1291167), (27, 1052062), (29, 979506), (33, 860778), (34, 835461), (51, 556974), (54, 526031), (58, 489753), (66, 430389), (87, 326502), (97, 292842), (99, 286926), (102, 278487), (153, 185658), (174, 163251), (187, 151902), (194, 146421), (198, 143463), (261, 108834), (291, 97614), (297, 95642), (306, 92829), (319, 89046), (374, 75951), (459, 61886), (493, 57618), (522, 54417), (561, 50634), (582, 48807), (594, 47821), (638, 44523), (783, 36278), (873, 32538), (918, 30943), (957, 29682), (986, 28809), (1067, 26622), (1122, 25317), (1479, 19206), (1566, 18139), (1649, 17226), (1683, 16878), (1746, 16269), (1914, 14841), (2134, 13311), (2619, 10846), (2813, 10098), (2871, 9894), (2958, 9603), (3201, 8874), (3298, 8613), (3366, 8439), (4437, 6402), (4947, 5742), (5049, 5626), (5238, 5423)]