28538874

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 82162080

約数和(自身を除く): 53623206

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 49, 57, 63, 78, 91, 98, 114, 117, 126, 131, 133, 147, 171, 182, 234, 247, 262, 266, 273, 294, 342, 393, 399, 441, 494, 546, 637, 741, 786, 798, 819, 882, 917, 931, 1179, 1197, 1274, 1482, 1638, 1703, 1729, 1834, 1862, 1911, 2223, 2358, 2394, 2489, 2751, 2793, 3406, 3458, 3822, 4446, 4978, 5109, 5187, 5502, 5586, 5733, 6419, 7467, 8253, 8379, 10218, 10374, 11466, 11921, 12103, 12838, 14934, 15327, 15561, 16506, 16758, 17423, 19257, 22401, 23842, 24206, 30654, 31122, 32357, 34846, 35763, 36309, 38514, 44802, 52269, 57771, 64714, 71526, 72618, 83447, 97071, 104538, 107289, 108927, 115542, 121961, 156807, 166894, 194142, 214578, 217854, 226499, 243922, 250341, 291213, 313614, 365883, 452998, 500682, 582426, 679497, 731766, 751023, 1097649, 1358994, 1502046, 1585493, 2038491, 2195298, 3170986, 4076982, 4756479, 9512958, 14269437, 28538874]

約数ペア:

[(1, 28538874), (2, 14269437), (3, 9512958), (6, 4756479), (7, 4076982), (9, 3170986), (13, 2195298), (14, 2038491), (18, 1585493), (19, 1502046), (21, 1358994), (26, 1097649), (38, 751023), (39, 731766), (42, 679497), (49, 582426), (57, 500682), (63, 452998), (78, 365883), (91, 313614), (98, 291213), (114, 250341), (117, 243922), (126, 226499), (131, 217854), (133, 214578), (147, 194142), (171, 166894), (182, 156807), (234, 121961), (247, 115542), (262, 108927), (266, 107289), (273, 104538), (294, 97071), (342, 83447), (393, 72618), (399, 71526), (441, 64714), (494, 57771), (546, 52269), (637, 44802), (741, 38514), (786, 36309), (798, 35763), (819, 34846), (882, 32357), (917, 31122), (931, 30654), (1179, 24206), (1197, 23842), (1274, 22401), (1482, 19257), (1638, 17423), (1703, 16758), (1729, 16506), (1834, 15561), (1862, 15327), (1911, 14934), (2223, 12838), (2358, 12103), (2394, 11921), (2489, 11466), (2751, 10374), (2793, 10218), (3406, 8379), (3458, 8253), (3822, 7467), (4446, 6419), (4978, 5733), (5109, 5586), (5187, 5502)]