819845364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{21277}}^1$

素因数の和:21329

約数の個数: 72

約数和(自身を含む): 2180569440

約数和(自身を除く): 1360724076

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 169, 228, 247, 338, 494, 507, 676, 741, 988, 1014, 1482, 2028, 2964, 3211, 6422, 9633, 12844, 19266, 21277, 38532, 42554, 63831, 85108, 127662, 255324, 276601, 404263, 553202, 808526, 829803, 1106404, 1212789, 1617052, 1659606, 2425578, 3319212, 3595813, 4851156, 5255419, 7191626, 10510838, 10787439, 14383252, 15766257, 21021676, 21574878, 31532514, 43149756, 63065028, 68320447, 136640894, 204961341, 273281788, 409922682, 819845364]

約数ペア:

[(1, 819845364), (2, 409922682), (3, 273281788), (4, 204961341), (6, 136640894), (12, 68320447), (13, 63065028), (19, 43149756), (26, 31532514), (38, 21574878), (39, 21021676), (52, 15766257), (57, 14383252), (76, 10787439), (78, 10510838), (114, 7191626), (156, 5255419), (169, 4851156), (228, 3595813), (247, 3319212), (338, 2425578), (494, 1659606), (507, 1617052), (676, 1212789), (741, 1106404), (988, 829803), (1014, 808526), (1482, 553202), (2028, 404263), (2964, 276601), (3211, 255324), (6422, 127662), (9633, 85108), (12844, 63831), (19266, 42554), (21277, 38532)]