128357768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 318561600

約数和(自身を除く): 190203832

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 121, 133, 152, 154, 209, 242, 266, 308, 418, 484, 532, 616, 836, 847, 968, 997, 1064, 1463, 1672, 1694, 1994, 2299, 2926, 3388, 3988, 4598, 5852, 6776, 6979, 7976, 9196, 10967, 11704, 13958, 16093, 18392, 18943, 21934, 27916, 32186, 37886, 43868, 55832, 64372, 75772, 76769, 87736, 120637, 128744, 132601, 151544, 153538, 208373, 241274, 265202, 307076, 416746, 482548, 530404, 614152, 833492, 844459, 965096, 1060808, 1458611, 1666984, 1688918, 2292103, 2917222, 3377836, 4584206, 5834444, 6755672, 9168412, 11668888, 16044721, 18336824, 32089442, 64178884, 128357768]

約数ペア:

[(1, 128357768), (2, 64178884), (4, 32089442), (7, 18336824), (8, 16044721), (11, 11668888), (14, 9168412), (19, 6755672), (22, 5834444), (28, 4584206), (38, 3377836), (44, 2917222), (56, 2292103), (76, 1688918), (77, 1666984), (88, 1458611), (121, 1060808), (133, 965096), (152, 844459), (154, 833492), (209, 614152), (242, 530404), (266, 482548), (308, 416746), (418, 307076), (484, 265202), (532, 241274), (616, 208373), (836, 153538), (847, 151544), (968, 132601), (997, 128744), (1064, 120637), (1463, 87736), (1672, 76769), (1694, 75772), (1994, 64372), (2299, 55832), (2926, 43868), (3388, 37886), (3988, 32186), (4598, 27916), (5852, 21934), (6776, 18943), (6979, 18392), (7976, 16093), (9196, 13958), (10967, 11704)]