About the Number

129431608

129431607 ← → 129431609

2進数表記:111101101101111100000111000

漢数字表記:一億二千九百四十三万千六百八

素因数分解:

2 3 × 17 1 × 47 1 × 20249 1

素因数の和:20319
約数の個数: 32
約数和(自身を含む): 262440000
約数和(自身を除く): 133008392

約数列:
[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 20249, 40498, 80996, 161992, 344233, 688466, 951703, 1376932, 1903406, 2753864, 3806812, 7613624, 16178951, 32357902, 64715804, 129431608]

約数ペア:
[(1, 129431608), (2, 64715804), (4, 32357902), (8, 16178951), (17, 7613624), (34, 3806812), (47, 2753864), (68, 1903406), (94, 1376932), (136, 951703), (188, 688466), (376, 344233), (799, 161992), (1598, 80996), (3196, 40498), (6392, 20249)]

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