About the Number

31130144

31130143 ← → 31130145

2進数表記:1110110110000001000100000

漢数字表記:三千百十三万百四十四

素因数分解:

2 5 × 113 1 × 8609 1

素因数の和:8732
約数の個数: 24
約数和(自身を含む): 61837020
約数和(自身を除く): 30706876

約数列:
[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 8609, 17218, 34436, 68872, 137744, 275488, 972817, 1945634, 3891268, 7782536, 15565072, 31130144]

約数ペア:
[(1, 31130144), (2, 15565072), (4, 7782536), (8, 3891268), (16, 1945634), (32, 972817), (113, 275488), (226, 137744), (452, 68872), (904, 34436), (1808, 17218), (3616, 8609)]

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