About the Number

166191090

166191089 ← → 166191091

2進数表記:1001111001111101111111110010

漢数字表記:一億六千六百十九万千九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 426131 1

素因数の和:426154
約数の個数: 32
約数和(自身を含む): 429541056
約数和(自身を除く): 263349966

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 426131, 852262, 1278393, 2130655, 2556786, 4261310, 5539703, 6391965, 11079406, 12783930, 16619109, 27698515, 33238218, 55397030, 83095545, 166191090]

約数ペア:
[(1, 166191090), (2, 83095545), (3, 55397030), (5, 33238218), (6, 27698515), (10, 16619109), (13, 12783930), (15, 11079406), (26, 6391965), (30, 5539703), (39, 4261310), (65, 2556786), (78, 2130655), (130, 1278393), (195, 852262), (390, 426131)]

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