About the Number

201389872

201389871 ← → 201389873

2進数表記:1100000000001111011100110000

漢数字表記:二億百三十八万九千八百七十二

素因数分解:

2 4 × 83 1 × 139 1 × 1091 1

素因数の和:1321
約数の個数: 40
約数和(自身を含む): 398099520
約数和(自身を除く): 196709648

約数列:
[1, 2, 4, 8, 16, 83, 139, 166, 278, 332, 556, 664, 1091, 1112, 1328, 2182, 2224, 4364, 8728, 11537, 17456, 23074, 46148, 90553, 92296, 151649, 181106, 184592, 303298, 362212, 606596, 724424, 1213192, 1448848, 2426384, 12586867, 25173734, 50347468, 100694936, 201389872]

約数ペア:
[(1, 201389872), (2, 100694936), (4, 50347468), (8, 25173734), (16, 12586867), (83, 2426384), (139, 1448848), (166, 1213192), (278, 724424), (332, 606596), (556, 362212), (664, 303298), (1091, 184592), (1112, 181106), (1328, 151649), (2182, 92296), (2224, 90553), (4364, 46148), (8728, 23074), (11537, 17456)]

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