28728798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 72777600

約数和(自身を除く): 44048802

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 49, 57, 74, 98, 111, 114, 133, 139, 147, 222, 259, 266, 278, 294, 399, 417, 518, 703, 777, 798, 834, 931, 973, 1406, 1554, 1813, 1862, 1946, 2109, 2641, 2793, 2919, 3626, 4218, 4921, 5143, 5282, 5439, 5586, 5838, 6811, 7923, 9842, 10286, 10878, 13622, 14763, 15429, 15846, 18487, 20433, 29526, 30858, 34447, 36001, 36974, 40866, 55461, 68894, 72002, 97717, 103341, 108003, 110922, 129409, 195434, 206682, 216006, 252007, 258818, 293151, 388227, 504014, 586302, 684019, 756021, 776454, 1368038, 1512042, 2052057, 4104114, 4788133, 9576266, 14364399, 28728798]

約数ペア:

[(1, 28728798), (2, 14364399), (3, 9576266), (6, 4788133), (7, 4104114), (14, 2052057), (19, 1512042), (21, 1368038), (37, 776454), (38, 756021), (42, 684019), (49, 586302), (57, 504014), (74, 388227), (98, 293151), (111, 258818), (114, 252007), (133, 216006), (139, 206682), (147, 195434), (222, 129409), (259, 110922), (266, 108003), (278, 103341), (294, 97717), (399, 72002), (417, 68894), (518, 55461), (703, 40866), (777, 36974), (798, 36001), (834, 34447), (931, 30858), (973, 29526), (1406, 20433), (1554, 18487), (1813, 15846), (1862, 15429), (1946, 14763), (2109, 13622), (2641, 10878), (2793, 10286), (2919, 9842), (3626, 7923), (4218, 6811), (4921, 5838), (5143, 5586), (5282, 5439)]