399804216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{967}}^1$

素因数の和:1113

約数の個数: 128

約数和(自身を含む): 1204346880

約数和(自身を除く): 804542664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 107, 138, 161, 168, 184, 214, 276, 321, 322, 428, 483, 552, 642, 644, 749, 856, 966, 967, 1284, 1288, 1498, 1932, 1934, 2247, 2461, 2568, 2901, 2996, 3864, 3868, 4494, 4922, 5802, 5992, 6769, 7383, 7736, 8988, 9844, 11604, 13538, 14766, 17227, 17976, 19688, 20307, 22241, 23208, 27076, 29532, 34454, 40614, 44482, 51681, 54152, 59064, 66723, 68908, 81228, 88964, 103362, 103469, 133446, 137816, 155687, 162456, 177928, 206724, 206938, 266892, 310407, 311374, 413448, 413876, 467061, 533784, 620814, 622748, 724283, 827752, 934122, 1241628, 1245496, 1448566, 1868244, 2172849, 2379787, 2483256, 2897132, 3736488, 4345698, 4759574, 5794264, 7139361, 8691396, 9519148, 14278722, 16658509, 17382792, 19038296, 28557444, 33317018, 49975527, 57114888, 66634036, 99951054, 133268072, 199902108, 399804216]

約数ペア:

[(1, 399804216), (2, 199902108), (3, 133268072), (4, 99951054), (6, 66634036), (7, 57114888), (8, 49975527), (12, 33317018), (14, 28557444), (21, 19038296), (23, 17382792), (24, 16658509), (28, 14278722), (42, 9519148), (46, 8691396), (56, 7139361), (69, 5794264), (84, 4759574), (92, 4345698), (107, 3736488), (138, 2897132), (161, 2483256), (168, 2379787), (184, 2172849), (214, 1868244), (276, 1448566), (321, 1245496), (322, 1241628), (428, 934122), (483, 827752), (552, 724283), (642, 622748), (644, 620814), (749, 533784), (856, 467061), (966, 413876), (967, 413448), (1284, 311374), (1288, 310407), (1498, 266892), (1932, 206938), (1934, 206724), (2247, 177928), (2461, 162456), (2568, 155687), (2901, 137816), (2996, 133446), (3864, 103469), (3868, 103362), (4494, 88964), (4922, 81228), (5802, 68908), (5992, 66723), (6769, 59064), (7383, 54152), (7736, 51681), (8988, 44482), (9844, 40614), (11604, 34454), (13538, 29532), (14766, 27076), (17227, 23208), (17976, 22241), (19688, 20307)]