About the Number

129488256

129488255 ← → 129488257

2進数表記:111101101111101010110000000

漢数字表記:一億二千九百四十八万八千二百五十六

素因数分解:

2 7 × 3 2 × 112403 1

素因数の和:112423
約数の個数: 48
約数和(自身を含む): 372619260
約数和(自身を除く): 243131004

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 112403, 224806, 337209, 449612, 674418, 899224, 1011627, 1348836, 1798448, 2023254, 2697672, 3596896, 4046508, 5395344, 7193792, 8093016, 10790688, 14387584, 16186032, 21581376, 32372064, 43162752, 64744128, 129488256]

約数ペア:
[(1, 129488256), (2, 64744128), (3, 43162752), (4, 32372064), (6, 21581376), (8, 16186032), (9, 14387584), (12, 10790688), (16, 8093016), (18, 7193792), (24, 5395344), (32, 4046508), (36, 3596896), (48, 2697672), (64, 2023254), (72, 1798448), (96, 1348836), (128, 1011627), (144, 899224), (192, 674418), (288, 449612), (384, 337209), (576, 224806), (1152, 112403)]

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