About the Number

201179989

201179988 ← → 201179990

2進数表記:1011111111011100001101010101

漢数字表記:二億百十七万九千九百八十九

素因数分解:

17 1 × 29 1 × 37 1 × 41 1 × 269 1

素因数の和:393
約数の個数: 32
約数和(自身を含む): 232696800
約数和(自身を除く): 31516811

約数列:
[1, 17, 29, 37, 41, 269, 493, 629, 697, 1073, 1189, 1517, 4573, 7801, 9953, 11029, 18241, 20213, 25789, 43993, 132617, 169201, 187493, 288637, 319841, 408073, 747881, 4906829, 5437297, 6937241, 11834117, 201179989]

約数ペア:
[(1, 201179989), (17, 11834117), (29, 6937241), (37, 5437297), (41, 4906829), (269, 747881), (493, 408073), (629, 319841), (697, 288637), (1073, 187493), (1189, 169201), (1517, 132617), (4573, 43993), (7801, 25789), (9953, 20213), (11029, 18241)]

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