About the Number

12794990

12794989 ← → 12794991

2進数表記:110000110011110001101110

漢数字表記:千二百七十九万四千九百九十

素因数分解:

2 1 × 5 1 × 13 2 × 67 1 × 113 1

素因数の和:213
約数の個数: 48
約数和(自身を含む): 25535088
約数和(自身を除く): 12740098

約数列:
[1, 2, 5, 10, 13, 26, 65, 67, 113, 130, 134, 169, 226, 335, 338, 565, 670, 845, 871, 1130, 1469, 1690, 1742, 2938, 4355, 7345, 7571, 8710, 11323, 14690, 15142, 19097, 22646, 37855, 38194, 56615, 75710, 95485, 98423, 113230, 190970, 196846, 492115, 984230, 1279499, 2558998, 6397495, 12794990]

約数ペア:
[(1, 12794990), (2, 6397495), (5, 2558998), (10, 1279499), (13, 984230), (26, 492115), (65, 196846), (67, 190970), (113, 113230), (130, 98423), (134, 95485), (169, 75710), (226, 56615), (335, 38194), (338, 37855), (565, 22646), (670, 19097), (845, 15142), (871, 14690), (1130, 11323), (1469, 8710), (1690, 7571), (1742, 7345), (2938, 4355)]

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