About the Number

213431982

213431981 ← → 213431983

2進数表記:1100101110001011011010101110

漢数字表記:二億千三百四十三万千九百八十二

素因数分解:

2 1 × 3 1 × 47 1 × 863 1 × 877 1

素因数の和:1792
約数の個数: 32
約数和(自身を含む): 436948992
約数和(自身を除く): 223517010

約数列:
[1, 2, 3, 6, 47, 94, 141, 282, 863, 877, 1726, 1754, 2589, 2631, 5178, 5262, 40561, 41219, 81122, 82438, 121683, 123657, 243366, 247314, 756851, 1513702, 2270553, 4541106, 35571997, 71143994, 106715991, 213431982]

約数ペア:
[(1, 213431982), (2, 106715991), (3, 71143994), (6, 35571997), (47, 4541106), (94, 2270553), (141, 1513702), (282, 756851), (863, 247314), (877, 243366), (1726, 123657), (1754, 121683), (2589, 82438), (2631, 81122), (5178, 41219), (5262, 40561)]

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