About the Number

1387490049

1387490048 ← → 1387490050

2進数表記:1010010101100110110101100000001

漢数字表記:十三億八千七百四十九万四十九

素因数分解:

3 2 × 11 1 × 73 1 × 113 1 × 1699 1

素因数の和:1902
約数の個数: 48
約数和(自身を含む): 2237227200
約数和(自身を除く): 849737151

約数列:
[1, 3, 9, 11, 33, 73, 99, 113, 219, 339, 657, 803, 1017, 1243, 1699, 2409, 3729, 5097, 7227, 8249, 11187, 15291, 18689, 24747, 56067, 74241, 90739, 124027, 168201, 191987, 272217, 372081, 575961, 816651, 1116243, 1364297, 1727883, 2111857, 4092891, 6335571, 12278673, 14015051, 19006713, 42045153, 126135459, 154165561, 462496683, 1387490049]

約数ペア:
[(1, 1387490049), (3, 462496683), (9, 154165561), (11, 126135459), (33, 42045153), (73, 19006713), (99, 14015051), (113, 12278673), (219, 6335571), (339, 4092891), (657, 2111857), (803, 1727883), (1017, 1364297), (1243, 1116243), (1699, 816651), (2409, 575961), (3729, 372081), (5097, 272217), (7227, 191987), (8249, 168201), (11187, 124027), (15291, 90739), (18689, 74241), (24747, 56067)]

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