About the Number

121086290

121086289 ← → 121086291

2進数表記:111001101111010000101010010

漢数字表記:一億二千百八万六千二百九十

素因数分解:

2 1 × 5 1 × 13 1 × 59 1 × 15787 1

素因数の和:15866
約数の個数: 32
約数和(自身を含む): 238714560
約数和(自身を除く): 117628270

約数列:
[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 7670, 15787, 31574, 78935, 157870, 205231, 410462, 931433, 1026155, 1862866, 2052310, 4657165, 9314330, 12108629, 24217258, 60543145, 121086290]

約数ペア:
[(1, 121086290), (2, 60543145), (5, 24217258), (10, 12108629), (13, 9314330), (26, 4657165), (59, 2052310), (65, 1862866), (118, 1026155), (130, 931433), (295, 410462), (590, 205231), (767, 157870), (1534, 78935), (3835, 31574), (7670, 15787)]

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