28087514

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 55055616

約数和(自身を除く): 26968102

約数列:

[1, 2, 7, 13, 14, 26, 37, 43, 74, 86, 91, 97, 182, 194, 259, 301, 481, 518, 559, 602, 679, 962, 1118, 1261, 1358, 1591, 2522, 3182, 3367, 3589, 3913, 4171, 6734, 7178, 7826, 8342, 8827, 11137, 17654, 20683, 22274, 25123, 29197, 41366, 46657, 50246, 54223, 58394, 93314, 108446, 144781, 154327, 289562, 308654, 326599, 379561, 653198, 759122, 1080289, 2006251, 2160578, 4012502, 14043757, 28087514]

約数ペア:

[(1, 28087514), (2, 14043757), (7, 4012502), (13, 2160578), (14, 2006251), (26, 1080289), (37, 759122), (43, 653198), (74, 379561), (86, 326599), (91, 308654), (97, 289562), (182, 154327), (194, 144781), (259, 108446), (301, 93314), (481, 58394), (518, 54223), (559, 50246), (602, 46657), (679, 41366), (962, 29197), (1118, 25123), (1261, 22274), (1358, 20683), (1591, 17654), (2522, 11137), (3182, 8827), (3367, 8342), (3589, 7826), (3913, 7178), (4171, 6734)]