About the Number

103998986

103998985 ← → 103998987

2進数表記:110001100101110011000001010

漢数字表記:一億三百九十九万八千九百八十六

素因数分解:

2 1 × 7 1 × 13 1 × 31 1 × 18433 1

素因数の和:18486
約数の個数: 32
約数和(自身を含む): 198202368
約数和(自身を除く): 94203382

約数列:
[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 18433, 36866, 129031, 239629, 258062, 479258, 571423, 1142846, 1677403, 3354806, 3999961, 7428499, 7999922, 14856998, 51999493, 103998986]

約数ペア:
[(1, 103998986), (2, 51999493), (7, 14856998), (13, 7999922), (14, 7428499), (26, 3999961), (31, 3354806), (62, 1677403), (91, 1142846), (182, 571423), (217, 479258), (403, 258062), (434, 239629), (806, 129031), (2821, 36866), (5642, 18433)]

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