About the Number

129487088

129487087 ← → 129487089

2進数表記:111101101111101000011110000

漢数字表記:一億二千九百四十八万七千八十八

素因数分解:

2 4 × 29 2 × 9623 1

素因数の和:9689
約数の個数: 30
約数和(自身を含む): 259857624
約数和(自身を除く): 130370536

約数列:
[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 841, 1682, 3364, 6728, 9623, 13456, 19246, 38492, 76984, 153968, 279067, 558134, 1116268, 2232536, 4465072, 8092943, 16185886, 32371772, 64743544, 129487088]

約数ペア:
[(1, 129487088), (2, 64743544), (4, 32371772), (8, 16185886), (16, 8092943), (29, 4465072), (58, 2232536), (116, 1116268), (232, 558134), (464, 279067), (841, 153968), (1682, 76984), (3364, 38492), (6728, 19246), (9623, 13456)]

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