About the Number

139988784

139988783 ← → 139988785

2進数表記:1000010110000000111100110000

漢数字表記:一億三千九百九十八万八千七百八十四

素因数分解:

2 4 × 3 1 × 13 2 × 17257 1

素因数の和:17294
約数の個数: 60
約数和(自身を含む): 391618536
約数和(自身を除く): 251629752

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2704, 4056, 8112, 17257, 34514, 51771, 69028, 103542, 138056, 207084, 224341, 276112, 414168, 448682, 673023, 828336, 897364, 1346046, 1794728, 2692092, 2916433, 3589456, 5384184, 5832866, 8749299, 10768368, 11665732, 17498598, 23331464, 34997196, 46662928, 69994392, 139988784]

約数ペア:
[(1, 139988784), (2, 69994392), (3, 46662928), (4, 34997196), (6, 23331464), (8, 17498598), (12, 11665732), (13, 10768368), (16, 8749299), (24, 5832866), (26, 5384184), (39, 3589456), (48, 2916433), (52, 2692092), (78, 1794728), (104, 1346046), (156, 897364), (169, 828336), (208, 673023), (312, 448682), (338, 414168), (507, 276112), (624, 224341), (676, 207084), (1014, 138056), (1352, 103542), (2028, 69028), (2704, 51771), (4056, 34514), (8112, 17257)]

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