About the Number

129127428

129127427 ← → 129127429

2進数表記:111101100100101010000000100

漢数字表記:一億二千九百十二万七千四百二十八

素因数分解:

2 2 × 3 2 × 23 1 × 277 1 × 563 1

素因数の和:873
約数の個数: 72
約数和(自身を含む): 342433728
約数和(自身を除く): 213306300

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 277, 414, 554, 563, 828, 831, 1108, 1126, 1662, 1689, 2252, 2493, 3324, 3378, 4986, 5067, 6371, 6756, 9972, 10134, 12742, 12949, 19113, 20268, 25484, 25898, 38226, 38847, 51796, 57339, 76452, 77694, 114678, 116541, 155388, 155951, 229356, 233082, 311902, 466164, 467853, 623804, 935706, 1403559, 1871412, 2807118, 3586873, 5614236, 7173746, 10760619, 14347492, 21521238, 32281857, 43042476, 64563714, 129127428]

約数ペア:
[(1, 129127428), (2, 64563714), (3, 43042476), (4, 32281857), (6, 21521238), (9, 14347492), (12, 10760619), (18, 7173746), (23, 5614236), (36, 3586873), (46, 2807118), (69, 1871412), (92, 1403559), (138, 935706), (207, 623804), (276, 467853), (277, 466164), (414, 311902), (554, 233082), (563, 229356), (828, 155951), (831, 155388), (1108, 116541), (1126, 114678), (1662, 77694), (1689, 76452), (2252, 57339), (2493, 51796), (3324, 38847), (3378, 38226), (4986, 25898), (5067, 25484), (6371, 20268), (6756, 19113), (9972, 12949), (10134, 12742)]

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