281656536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 832634880

約数和(自身を除く): 550978344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 127, 129, 168, 172, 254, 258, 301, 307, 344, 381, 508, 516, 602, 614, 762, 889, 903, 921, 1016, 1032, 1204, 1228, 1524, 1778, 1806, 1842, 2149, 2408, 2456, 2667, 3048, 3556, 3612, 3684, 4298, 5334, 5461, 6447, 7112, 7224, 7368, 8596, 10668, 10922, 12894, 13201, 16383, 17192, 21336, 21844, 25788, 26402, 32766, 38227, 38989, 39603, 43688, 51576, 52804, 65532, 76454, 77978, 79206, 92407, 105608, 114681, 116967, 131064, 152908, 155956, 158412, 184814, 229362, 233934, 272923, 277221, 305816, 311912, 316824, 369628, 458724, 467868, 545846, 554442, 739256, 818769, 917448, 935736, 1091692, 1108884, 1637538, 1676527, 2183384, 2217768, 3275076, 3353054, 5029581, 6550152, 6706108, 10059162, 11735689, 13412216, 20118324, 23471378, 35207067, 40236648, 46942756, 70414134, 93885512, 140828268, 281656536]

約数ペア:

[(1, 281656536), (2, 140828268), (3, 93885512), (4, 70414134), (6, 46942756), (7, 40236648), (8, 35207067), (12, 23471378), (14, 20118324), (21, 13412216), (24, 11735689), (28, 10059162), (42, 6706108), (43, 6550152), (56, 5029581), (84, 3353054), (86, 3275076), (127, 2217768), (129, 2183384), (168, 1676527), (172, 1637538), (254, 1108884), (258, 1091692), (301, 935736), (307, 917448), (344, 818769), (381, 739256), (508, 554442), (516, 545846), (602, 467868), (614, 458724), (762, 369628), (889, 316824), (903, 311912), (921, 305816), (1016, 277221), (1032, 272923), (1204, 233934), (1228, 229362), (1524, 184814), (1778, 158412), (1806, 155956), (1842, 152908), (2149, 131064), (2408, 116967), (2456, 114681), (2667, 105608), (3048, 92407), (3556, 79206), (3612, 77978), (3684, 76454), (4298, 65532), (5334, 52804), (5461, 51576), (6447, 43688), (7112, 39603), (7224, 38989), (7368, 38227), (8596, 32766), (10668, 26402), (10922, 25788), (12894, 21844), (13201, 21336), (16383, 17192)]