About the Number

112391890

112391889 ← → 112391891

2進数表記:110101100101111011011010010

漢数字表記:一億千二百三十九万千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 61 1 × 14173 1

素因数の和:14254
約数の個数: 32
約数和(自身を含む): 221454576
約数和(自身を除く): 109062686

約数列:
[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 14173, 28346, 70865, 141730, 184249, 368498, 864553, 921245, 1729106, 1842490, 4322765, 8645530, 11239189, 22478378, 56195945, 112391890]

約数ペア:
[(1, 112391890), (2, 56195945), (5, 22478378), (10, 11239189), (13, 8645530), (26, 4322765), (61, 1842490), (65, 1729106), (122, 921245), (130, 864553), (305, 368498), (610, 184249), (793, 141730), (1586, 70865), (3965, 28346), (7930, 14173)]

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