About the Number

131288891089

131288891088 ← → 131288891090

2進数表記:1111010010001011011010111111011010001

漢数字表記:千三百十二億八千八百八十九万千八十九

素因数分解:

29 1 × 31 1 × 3361 1 × 43451 1

素因数の和:46872
約数の個数: 16
約数和(自身を含む): 140242199040
約数和(自身を除く): 8953307951

約数列:
[1, 29, 31, 899, 3361, 43451, 97469, 104191, 1260079, 1346981, 3021539, 39062449, 146038811, 4235125519, 4527203141, 131288891089]

約数ペア:
[(1, 131288891089), (29, 4527203141), (31, 4235125519), (899, 146038811), (3361, 39062449), (43451, 3021539), (97469, 1346981), (104191, 1260079)]

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