About the Number

1242513888

1242513887 ← → 1242513889

2進数表記:1001010000011110100000111100000

漢数字表記:十二億四千二百五十一万三千八百八十八

素因数分解:

2 5 × 3 1 × 7 1 × 11 1 × 168089 1

素因数の和:168120
約数の個数: 96
約数和(自身を含む): 4066433280
約数和(自身を除く): 2823919392

約数列:
[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 224, 231, 264, 308, 336, 352, 462, 528, 616, 672, 924, 1056, 1232, 1848, 2464, 3696, 7392, 168089, 336178, 504267, 672356, 1008534, 1176623, 1344712, 1848979, 2017068, 2353246, 2689424, 3529869, 3697958, 4034136, 4706492, 5378848, 5546937, 7059738, 7395916, 8068272, 9412984, 11093874, 12942853, 14119476, 14791832, 16136544, 18825968, 22187748, 25885706, 28238952, 29583664, 37651936, 38828559, 44375496, 51771412, 56477904, 59167328, 77657118, 88750992, 103542824, 112955808, 155314236, 177501984, 207085648, 310628472, 414171296, 621256944, 1242513888]

約数ペア:
[(1, 1242513888), (2, 621256944), (3, 414171296), (4, 310628472), (6, 207085648), (7, 177501984), (8, 155314236), (11, 112955808), (12, 103542824), (14, 88750992), (16, 77657118), (21, 59167328), (22, 56477904), (24, 51771412), (28, 44375496), (32, 38828559), (33, 37651936), (42, 29583664), (44, 28238952), (48, 25885706), (56, 22187748), (66, 18825968), (77, 16136544), (84, 14791832), (88, 14119476), (96, 12942853), (112, 11093874), (132, 9412984), (154, 8068272), (168, 7395916), (176, 7059738), (224, 5546937), (231, 5378848), (264, 4706492), (308, 4034136), (336, 3697958), (352, 3529869), (462, 2689424), (528, 2353246), (616, 2017068), (672, 1848979), (924, 1344712), (1056, 1176623), (1232, 1008534), (1848, 672356), (2464, 504267), (3696, 336178), (7392, 168089)]

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