About the Number

129530908

129530907 ← → 129530909

2進数表記:111101110000111110000011100

漢数字表記:一億二千九百五十三万九百八

素因数分解:

2 2 × 13 1 × 73 1 × 34123 1

素因数の和:34213
約数の個数: 24
約数和(自身を含む): 247467248
約数和(自身を除く): 117936340

約数列:
[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 34123, 68246, 136492, 443599, 887198, 1774396, 2490979, 4981958, 9963916, 32382727, 64765454, 129530908]

約数ペア:
[(1, 129530908), (2, 64765454), (4, 32382727), (13, 9963916), (26, 4981958), (52, 2490979), (73, 1774396), (146, 887198), (292, 443599), (949, 136492), (1898, 68246), (3796, 34123)]

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