128879212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 301845096

約数和(自身を除く): 172965884

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 113, 154, 161, 196, 226, 253, 308, 322, 452, 506, 529, 539, 644, 791, 1012, 1058, 1078, 1127, 1243, 1582, 1771, 2116, 2156, 2254, 2486, 2599, 3164, 3542, 3703, 4508, 4972, 5198, 5537, 5819, 7084, 7406, 8701, 10396, 11074, 11638, 12397, 14812, 17402, 18193, 22148, 23276, 24794, 25921, 28589, 34804, 36386, 40733, 49588, 51842, 57178, 59777, 60907, 72772, 81466, 103684, 114356, 119554, 121814, 127351, 162932, 200123, 239108, 243628, 254702, 285131, 400246, 418439, 509404, 570262, 657547, 800492, 836878, 1140524, 1315094, 1400861, 1673756, 2630188, 2801722, 2929073, 4602829, 5603444, 5858146, 9205658, 11716292, 18411316, 32219803, 64439606, 128879212]

約数ペア:

[(1, 128879212), (2, 64439606), (4, 32219803), (7, 18411316), (11, 11716292), (14, 9205658), (22, 5858146), (23, 5603444), (28, 4602829), (44, 2929073), (46, 2801722), (49, 2630188), (77, 1673756), (92, 1400861), (98, 1315094), (113, 1140524), (154, 836878), (161, 800492), (196, 657547), (226, 570262), (253, 509404), (308, 418439), (322, 400246), (452, 285131), (506, 254702), (529, 243628), (539, 239108), (644, 200123), (791, 162932), (1012, 127351), (1058, 121814), (1078, 119554), (1127, 114356), (1243, 103684), (1582, 81466), (1771, 72772), (2116, 60907), (2156, 59777), (2254, 57178), (2486, 51842), (2599, 49588), (3164, 40733), (3542, 36386), (3703, 34804), (4508, 28589), (4972, 25921), (5198, 24794), (5537, 23276), (5819, 22148), (7084, 18193), (7406, 17402), (8701, 14812), (10396, 12397), (11074, 11638)]