27828388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 62578880

約数和(自身を除く): 34750492

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 181, 238, 266, 289, 323, 362, 476, 532, 578, 646, 724, 1156, 1267, 1292, 2023, 2261, 2534, 3077, 3439, 4046, 4522, 5068, 5491, 6154, 6878, 8092, 9044, 10982, 12308, 13756, 21539, 21964, 24073, 38437, 43078, 48146, 52309, 58463, 76874, 86156, 96292, 104618, 116926, 153748, 209236, 233852, 366163, 409241, 732326, 818482, 993871, 1464652, 1636964, 1987742, 3975484, 6957097, 13914194, 27828388]

約数ペア:

[(1, 27828388), (2, 13914194), (4, 6957097), (7, 3975484), (14, 1987742), (17, 1636964), (19, 1464652), (28, 993871), (34, 818482), (38, 732326), (68, 409241), (76, 366163), (119, 233852), (133, 209236), (181, 153748), (238, 116926), (266, 104618), (289, 96292), (323, 86156), (362, 76874), (476, 58463), (532, 52309), (578, 48146), (646, 43078), (724, 38437), (1156, 24073), (1267, 21964), (1292, 21539), (2023, 13756), (2261, 12308), (2534, 10982), (3077, 9044), (3439, 8092), (4046, 6878), (4522, 6154), (5068, 5491)]