About the Number

6671990

6671989 ← → 6671991

2進数表記:11001011100111001110110

漢数字表記:六百六十七万千九百九十

素因数分解:

2 1 × 5 1 × 13 1 × 17 1 × 3019 1

素因数の和:3056
約数の個数: 32
約数和(自身を含む): 13698720
約数和(自身を除く): 7026730

約数列:
[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 3019, 6038, 15095, 30190, 39247, 51323, 78494, 102646, 196235, 256615, 392470, 513230, 667199, 1334398, 3335995, 6671990]

約数ペア:
[(1, 6671990), (2, 3335995), (5, 1334398), (10, 667199), (13, 513230), (17, 392470), (26, 256615), (34, 196235), (65, 102646), (85, 78494), (130, 51323), (170, 39247), (221, 30190), (442, 15095), (1105, 6038), (2210, 3019)]

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