About the Number

131572129

131572128 ← → 131572130

2進数表記:111110101111010000110100001

漢数字表記:一億三千百五十七万二千百二十九

素因数分解:

13 1 × 17 1 × 47 1 × 53 1 × 239 1

素因数の和:369
約数の個数: 32
約数和(自身を含む): 156764160
約数和(自身を除く): 25192031

約数列:
[1, 13, 17, 47, 53, 221, 239, 611, 689, 799, 901, 2491, 3107, 4063, 10387, 11233, 11713, 12667, 32383, 42347, 52819, 146029, 164671, 190961, 215339, 550511, 595349, 2482493, 2799407, 7739537, 10120933, 131572129]

約数ペア:
[(1, 131572129), (13, 10120933), (17, 7739537), (47, 2799407), (53, 2482493), (221, 595349), (239, 550511), (611, 215339), (689, 190961), (799, 164671), (901, 146029), (2491, 52819), (3107, 42347), (4063, 32383), (10387, 12667), (11233, 11713)]

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