About the Number

201231806979

201231806978 ← → 201231806980

2進数表記:10111011011010010110011011001000000011

漢数字表記:二千十二億三千百八十万六千九百七十九

素因数分解:

3 1 × 7 3 × 463 1 × 422377 1

素因数の和:422864
約数の個数: 32
約数和(自身を含む): 313573427200
約数和(自身を除く): 112341620221

約数列:
[1, 3, 7, 21, 49, 147, 343, 463, 1029, 1389, 3241, 9723, 22687, 68061, 158809, 422377, 476427, 1267131, 2956639, 8869917, 20696473, 62089419, 144875311, 195560551, 434625933, 586681653, 1368923857, 4106771571, 9582466999, 28747400997, 67077268993, 201231806979]

約数ペア:
[(1, 201231806979), (3, 67077268993), (7, 28747400997), (21, 9582466999), (49, 4106771571), (147, 1368923857), (343, 586681653), (463, 434625933), (1029, 195560551), (1389, 144875311), (3241, 62089419), (9723, 20696473), (22687, 8869917), (68061, 2956639), (158809, 1267131), (422377, 476427)]

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