About the Number

71312189

71312188 ← → 71312190

2進数表記:100010000000010001100111101

漢数字表記:七千百三十一万二千百八十九

素因数分解:

13 1 × 29 1 × 43 1 × 53 1 × 83 1

素因数の和:221
約数の個数: 32
約数和(自身を含む): 83825280
約数和(自身を除く): 12513091

約数列:
[1, 13, 29, 43, 53, 83, 377, 559, 689, 1079, 1247, 1537, 2279, 2407, 3569, 4399, 16211, 19981, 29627, 31291, 46397, 57187, 66091, 103501, 127571, 189157, 859183, 1345513, 1658423, 2459041, 5485553, 71312189]

約数ペア:
[(1, 71312189), (13, 5485553), (29, 2459041), (43, 1658423), (53, 1345513), (83, 859183), (377, 189157), (559, 127571), (689, 103501), (1079, 66091), (1247, 57187), (1537, 46397), (2279, 31291), (2407, 29627), (3569, 19981), (4399, 16211)]

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