About the Number

157212006

157212005 ← → 157212007

2進数表記:1001010111101101110101100110

漢数字表記:一億五千七百二十一万二千六

素因数分解:

2 1 × 3 1 × 7 1 × 61 1 × 61363 1

素因数の和:61436
約数の個数: 32
約数和(自身を含む): 365238528
約数和(自身を除く): 208026522

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 61363, 122726, 184089, 368178, 429541, 859082, 1288623, 2577246, 3743143, 7486286, 11229429, 22458858, 26202001, 52404002, 78606003, 157212006]

約数ペア:
[(1, 157212006), (2, 78606003), (3, 52404002), (6, 26202001), (7, 22458858), (14, 11229429), (21, 7486286), (42, 3743143), (61, 2577246), (122, 1288623), (183, 859082), (366, 429541), (427, 368178), (854, 184089), (1281, 122726), (2562, 61363)]

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