221346944

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 561146880

約数和(自身を除く): 339799936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 613, 728, 806, 832, 868, 896, 992, 1226, 1456, 1612, 1664, 1736, 1984, 2452, 2821, 2912, 3224, 3472, 3968, 4291, 4904, 5642, 5824, 6448, 6944, 7969, 8582, 9808, 11284, 11648, 12896, 13888, 15938, 17164, 19003, 19616, 22568, 25792, 27776, 31876, 34328, 38006, 39232, 45136, 51584, 55783, 63752, 68656, 76012, 78464, 90272, 111566, 127504, 133021, 137312, 152024, 180544, 223132, 247039, 255008, 266042, 274624, 304048, 361088, 446264, 494078, 510016, 532084, 549248, 608096, 892528, 988156, 1020032, 1064168, 1216192, 1729273, 1785056, 1976312, 2128336, 2432384, 3458546, 3570112, 3952624, 4256672, 6917092, 7140224, 7905248, 8513344, 13834184, 15810496, 17026688, 27668368, 31620992, 55336736, 110673472, 221346944]

約数ペア:

[(1, 221346944), (2, 110673472), (4, 55336736), (7, 31620992), (8, 27668368), (13, 17026688), (14, 15810496), (16, 13834184), (26, 8513344), (28, 7905248), (31, 7140224), (32, 6917092), (52, 4256672), (56, 3952624), (62, 3570112), (64, 3458546), (91, 2432384), (104, 2128336), (112, 1976312), (124, 1785056), (128, 1729273), (182, 1216192), (208, 1064168), (217, 1020032), (224, 988156), (248, 892528), (364, 608096), (403, 549248), (416, 532084), (434, 510016), (448, 494078), (496, 446264), (613, 361088), (728, 304048), (806, 274624), (832, 266042), (868, 255008), (896, 247039), (992, 223132), (1226, 180544), (1456, 152024), (1612, 137312), (1664, 133021), (1736, 127504), (1984, 111566), (2452, 90272), (2821, 78464), (2912, 76012), (3224, 68656), (3472, 63752), (3968, 55783), (4291, 51584), (4904, 45136), (5642, 39232), (5824, 38006), (6448, 34328), (6944, 31876), (7969, 27776), (8582, 25792), (9808, 22568), (11284, 19616), (11648, 19003), (12896, 17164), (13888, 15938)]