263015984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 656338944

約数和(自身を除く): 393322960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 127, 154, 164, 176, 254, 287, 308, 328, 451, 508, 574, 616, 656, 889, 902, 1016, 1148, 1232, 1397, 1681, 1778, 1804, 2032, 2296, 2794, 3157, 3362, 3556, 3608, 4592, 5207, 5588, 6314, 6724, 7112, 7216, 9779, 10414, 11176, 11767, 12628, 13448, 14224, 18491, 19558, 20828, 22352, 23534, 25256, 26896, 36449, 36982, 39116, 41656, 47068, 50512, 57277, 72898, 73964, 78232, 83312, 94136, 114554, 129437, 145796, 147928, 156464, 188272, 213487, 229108, 258874, 291592, 295856, 400939, 426974, 458216, 517748, 583184, 801878, 853948, 916432, 1035496, 1494409, 1603756, 1707896, 2070992, 2348357, 2988818, 3207512, 3415792, 4696714, 5977636, 6415024, 9393428, 11955272, 16438499, 18786856, 23910544, 32876998, 37573712, 65753996, 131507992, 263015984]

約数ペア:

[(1, 263015984), (2, 131507992), (4, 65753996), (7, 37573712), (8, 32876998), (11, 23910544), (14, 18786856), (16, 16438499), (22, 11955272), (28, 9393428), (41, 6415024), (44, 5977636), (56, 4696714), (77, 3415792), (82, 3207512), (88, 2988818), (112, 2348357), (127, 2070992), (154, 1707896), (164, 1603756), (176, 1494409), (254, 1035496), (287, 916432), (308, 853948), (328, 801878), (451, 583184), (508, 517748), (574, 458216), (616, 426974), (656, 400939), (889, 295856), (902, 291592), (1016, 258874), (1148, 229108), (1232, 213487), (1397, 188272), (1681, 156464), (1778, 147928), (1804, 145796), (2032, 129437), (2296, 114554), (2794, 94136), (3157, 83312), (3362, 78232), (3556, 73964), (3608, 72898), (4592, 57277), (5207, 50512), (5588, 47068), (6314, 41656), (6724, 39116), (7112, 36982), (7216, 36449), (9779, 26896), (10414, 25256), (11176, 23534), (11767, 22352), (12628, 20828), (13448, 19558), (14224, 18491)]