About the Number

131389968

131389967 ← → 131389969

2進数表記:111110101001101101000010000

漢数字表記:一億三千百三十八万九千九百六十八

素因数分解:

2 4 × 3 1 × 53 1 × 51647 1

素因数の和:51711
約数の個数: 40
約数和(自身を含む): 345835008
約数和(自身を除く): 214445040

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 51647, 103294, 154941, 206588, 309882, 413176, 619764, 826352, 1239528, 2479056, 2737291, 5474582, 8211873, 10949164, 16423746, 21898328, 32847492, 43796656, 65694984, 131389968]

約数ペア:
[(1, 131389968), (2, 65694984), (3, 43796656), (4, 32847492), (6, 21898328), (8, 16423746), (12, 10949164), (16, 8211873), (24, 5474582), (48, 2737291), (53, 2479056), (106, 1239528), (159, 826352), (212, 619764), (318, 413176), (424, 309882), (636, 206588), (848, 154941), (1272, 103294), (2544, 51647)]

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