About the Number

29121289

29121288 ← → 29121290

2進数表記:1101111000101101100001001

漢数字表記:二千九百十二万千二百八十九

素因数分解:

17 1 × 23 1 × 71 1 × 1049 1

素因数の和:1160
約数の個数: 16
約数和(自身を含む): 32659200
約数和(自身を除く): 3537911

約数列:
[1, 17, 23, 71, 391, 1049, 1207, 1633, 17833, 24127, 27761, 74479, 410159, 1266143, 1713017, 29121289]

約数ペア:
[(1, 29121289), (17, 1713017), (23, 1266143), (71, 410159), (391, 74479), (1049, 27761), (1207, 24127), (1633, 17833)]

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