About the Number

126921256

126921255 ← → 126921257

2進数表記:111100100001010101000101000

漢数字表記:一億二千六百九十二万千二百五十六

素因数分解:

2 3 × 7 1 × 11 2 × 18731 1

素因数の和:18766
約数の個数: 48
約数和(自身を含む): 298962720
約数和(自身を除く): 172041464

約数列:
[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 18731, 37462, 74924, 131117, 149848, 206041, 262234, 412082, 524468, 824164, 1048936, 1442287, 1648328, 2266451, 2884574, 4532902, 5769148, 9065804, 11538296, 15865157, 18131608, 31730314, 63460628, 126921256]

約数ペア:
[(1, 126921256), (2, 63460628), (4, 31730314), (7, 18131608), (8, 15865157), (11, 11538296), (14, 9065804), (22, 5769148), (28, 4532902), (44, 2884574), (56, 2266451), (77, 1648328), (88, 1442287), (121, 1048936), (154, 824164), (242, 524468), (308, 412082), (484, 262234), (616, 206041), (847, 149848), (968, 131117), (1694, 74924), (3388, 37462), (6776, 18731)]

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