1221168256

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5442

約数の個数: 128

約数和(自身を含む): 3165557760

約数和(自身を除く): 1944389504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 128, 154, 161, 176, 184, 224, 253, 308, 322, 352, 368, 448, 506, 616, 644, 704, 736, 896, 1012, 1232, 1288, 1408, 1472, 1771, 2024, 2464, 2576, 2944, 3542, 4048, 4928, 5152, 5387, 7084, 8096, 9856, 10304, 10774, 14168, 16192, 20608, 21548, 28336, 32384, 37709, 43096, 56672, 59257, 75418, 86192, 113344, 118514, 123901, 150836, 172384, 226688, 237028, 247802, 301672, 344768, 414799, 474056, 495604, 603344, 689536, 829598, 867307, 948112, 991208, 1206688, 1362911, 1659196, 1734614, 1896224, 1982416, 2413376, 2725822, 3318392, 3469228, 3792448, 3964832, 4826752, 5451644, 6636784, 6938456, 7584896, 7929664, 9540377, 10903288, 13273568, 13876912, 15859328, 19080754, 21806576, 26547136, 27753824, 38161508, 43613152, 53094272, 55507648, 76323016, 87226304, 111015296, 152646032, 174452608, 305292064, 610584128, 1221168256]

約数ペア:

[(1, 1221168256), (2, 610584128), (4, 305292064), (7, 174452608), (8, 152646032), (11, 111015296), (14, 87226304), (16, 76323016), (22, 55507648), (23, 53094272), (28, 43613152), (32, 38161508), (44, 27753824), (46, 26547136), (56, 21806576), (64, 19080754), (77, 15859328), (88, 13876912), (92, 13273568), (112, 10903288), (128, 9540377), (154, 7929664), (161, 7584896), (176, 6938456), (184, 6636784), (224, 5451644), (253, 4826752), (308, 3964832), (322, 3792448), (352, 3469228), (368, 3318392), (448, 2725822), (506, 2413376), (616, 1982416), (644, 1896224), (704, 1734614), (736, 1659196), (896, 1362911), (1012, 1206688), (1232, 991208), (1288, 948112), (1408, 867307), (1472, 829598), (1771, 689536), (2024, 603344), (2464, 495604), (2576, 474056), (2944, 414799), (3542, 344768), (4048, 301672), (4928, 247802), (5152, 237028), (5387, 226688), (7084, 172384), (8096, 150836), (9856, 123901), (10304, 118514), (10774, 113344), (14168, 86192), (16192, 75418), (20608, 59257), (21548, 56672), (28336, 43096), (32384, 37709)]