About the Number

131091008

131091007 ← → 131091009

2進数表記:111110100000100101001000000

漢数字表記:一億三千百九万千八

素因数分解:

2 6 × 179 1 × 11443 1

素因数の和:11634
約数の個数: 28
約数和(自身を含む): 261609840
約数和(自身を除く): 130518832

約数列:
[1, 2, 4, 8, 16, 32, 64, 179, 358, 716, 1432, 2864, 5728, 11443, 11456, 22886, 45772, 91544, 183088, 366176, 732352, 2048297, 4096594, 8193188, 16386376, 32772752, 65545504, 131091008]

約数ペア:
[(1, 131091008), (2, 65545504), (4, 32772752), (8, 16386376), (16, 8193188), (32, 4096594), (64, 2048297), (179, 732352), (358, 366176), (716, 183088), (1432, 91544), (2864, 45772), (5728, 22886), (11443, 11456)]

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