About the Number

213431248

213431247 ← → 213431249

2進数表記:1100101110001011001111010000

漢数字表記:二億千三百四十三万千二百四十八

素因数分解:

2 4 × 1973 1 × 6761 1

素因数の和:8742
約数の個数: 20
約数和(自身を含む): 413793828
約数和(自身を除く): 200362580

約数列:
[1, 2, 4, 8, 16, 1973, 3946, 6761, 7892, 13522, 15784, 27044, 31568, 54088, 108176, 13339453, 26678906, 53357812, 106715624, 213431248]

約数ペア:
[(1, 213431248), (2, 106715624), (4, 53357812), (8, 26678906), (16, 13339453), (1973, 108176), (3946, 54088), (6761, 31568), (7892, 27044), (13522, 15784)]

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