About the Number

131180812

131180811 ← → 131180813

2進数表記:111110100011010100100001100

漢数字表記:一億三千百十八万八百十二

素因数分解:

2 2 × 7 1 × 41 1 × 114269 1

素因数の和:114321
約数の個数: 24
約数和(自身を含む): 268763040
約数和(自身を除く): 137582228

約数列:
[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 114269, 228538, 457076, 799883, 1599766, 3199532, 4685029, 9370058, 18740116, 32795203, 65590406, 131180812]

約数ペア:
[(1, 131180812), (2, 65590406), (4, 32795203), (7, 18740116), (14, 9370058), (28, 4685029), (41, 3199532), (82, 1599766), (164, 799883), (287, 457076), (574, 228538), (1148, 114269)]

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