About the Number

201997928

201997927 ← → 201997929

2進数表記:1100000010100011111001101000

漢数字表記:二億百九十九万七千九百二十八

素因数分解:

2 3 × 11 1 × 109 1 × 21059 1

素因数の和:21185
約数の個数: 32
約数和(自身を含む): 416988000
約数和(自身を除く): 214990072

約数列:
[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2398, 4796, 9592, 21059, 42118, 84236, 168472, 231649, 463298, 926596, 1853192, 2295431, 4590862, 9181724, 18363448, 25249741, 50499482, 100998964, 201997928]

約数ペア:
[(1, 201997928), (2, 100998964), (4, 50499482), (8, 25249741), (11, 18363448), (22, 9181724), (44, 4590862), (88, 2295431), (109, 1853192), (218, 926596), (436, 463298), (872, 231649), (1199, 168472), (2398, 84236), (4796, 42118), (9592, 21059)]

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