About the Number

213865730

213865729 ← → 213865731

2進数表記:1100101111110101010100000010

漢数字表記:二億千三百八十六万五千七百三十

素因数分解:

2 1 × 5 1 × 13 1 × 23 1 × 71527 1

素因数の和:71570
約数の個数: 32
約数和(自身を含む): 432601344
約数和(自身を除く): 218735614

約数列:
[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 71527, 143054, 357635, 715270, 929851, 1645121, 1859702, 3290242, 4649255, 8225605, 9298510, 16451210, 21386573, 42773146, 106932865, 213865730]

約数ペア:
[(1, 213865730), (2, 106932865), (5, 42773146), (10, 21386573), (13, 16451210), (23, 9298510), (26, 8225605), (46, 4649255), (65, 3290242), (115, 1859702), (130, 1645121), (230, 929851), (299, 715270), (598, 357635), (1495, 143054), (2990, 71527)]

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