About the Number

6912990

6912989 ← → 6912991

2進数表記:11010010111101111011110

漢数字表記:六百九十一万二千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 10973 1

素因数の和:10993
約数の個数: 48
約数和(自身を含む): 20543328
約数和(自身を除く): 13630338

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 10973, 21946, 32919, 54865, 65838, 76811, 98757, 109730, 153622, 164595, 197514, 230433, 329190, 384055, 460866, 493785, 691299, 768110, 987570, 1152165, 1382598, 2304330, 3456495, 6912990]

約数ペア:
[(1, 6912990), (2, 3456495), (3, 2304330), (5, 1382598), (6, 1152165), (7, 987570), (9, 768110), (10, 691299), (14, 493785), (15, 460866), (18, 384055), (21, 329190), (30, 230433), (35, 197514), (42, 164595), (45, 153622), (63, 109730), (70, 98757), (90, 76811), (105, 65838), (126, 54865), (210, 32919), (315, 21946), (630, 10973)]

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