128465216

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 84

約数和(自身を含む): 286403796

約数和(自身を除く): 157938580

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 121, 176, 212, 242, 313, 352, 424, 484, 583, 626, 704, 848, 968, 1166, 1252, 1696, 1936, 2332, 2504, 3392, 3443, 3872, 4664, 5008, 6413, 6886, 7744, 9328, 10016, 12826, 13772, 16589, 18656, 20032, 25652, 27544, 33178, 37312, 37873, 51304, 55088, 66356, 75746, 102608, 110176, 132712, 151492, 182479, 205216, 220352, 265424, 302984, 364958, 410432, 530848, 605968, 729916, 1061696, 1211936, 1459832, 2007269, 2423872, 2919664, 4014538, 5839328, 8029076, 11678656, 16058152, 32116304, 64232608, 128465216]

約数ペア:

[(1, 128465216), (2, 64232608), (4, 32116304), (8, 16058152), (11, 11678656), (16, 8029076), (22, 5839328), (32, 4014538), (44, 2919664), (53, 2423872), (64, 2007269), (88, 1459832), (106, 1211936), (121, 1061696), (176, 729916), (212, 605968), (242, 530848), (313, 410432), (352, 364958), (424, 302984), (484, 265424), (583, 220352), (626, 205216), (704, 182479), (848, 151492), (968, 132712), (1166, 110176), (1252, 102608), (1696, 75746), (1936, 66356), (2332, 55088), (2504, 51304), (3392, 37873), (3443, 37312), (3872, 33178), (4664, 27544), (5008, 25652), (6413, 20032), (6886, 18656), (7744, 16589), (9328, 13772), (10016, 12826)]