About the Number

213897888

213897887 ← → 213897889

2進数表記:1100101111111101001010100000

漢数字表記:二億千三百八十九万七千八百八十八

素因数分解:

2 5 × 3 3 × 37 1 × 6691 1

素因数の和:6747
約数の個数: 96
約数和(自身を含む): 640825920
約数和(自身を除く): 426928032

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 96, 108, 111, 144, 148, 216, 222, 288, 296, 333, 432, 444, 592, 666, 864, 888, 999, 1184, 1332, 1776, 1998, 2664, 3552, 3996, 5328, 6691, 7992, 10656, 13382, 15984, 20073, 26764, 31968, 40146, 53528, 60219, 80292, 107056, 120438, 160584, 180657, 214112, 240876, 247567, 321168, 361314, 481752, 495134, 642336, 722628, 742701, 963504, 990268, 1445256, 1485402, 1927008, 1980536, 2228103, 2890512, 2970804, 3961072, 4456206, 5781024, 5941608, 6684309, 7922144, 8912412, 11883216, 13368618, 17824824, 23766432, 26737236, 35649648, 53474472, 71299296, 106948944, 213897888]

約数ペア:
[(1, 213897888), (2, 106948944), (3, 71299296), (4, 53474472), (6, 35649648), (8, 26737236), (9, 23766432), (12, 17824824), (16, 13368618), (18, 11883216), (24, 8912412), (27, 7922144), (32, 6684309), (36, 5941608), (37, 5781024), (48, 4456206), (54, 3961072), (72, 2970804), (74, 2890512), (96, 2228103), (108, 1980536), (111, 1927008), (144, 1485402), (148, 1445256), (216, 990268), (222, 963504), (288, 742701), (296, 722628), (333, 642336), (432, 495134), (444, 481752), (592, 361314), (666, 321168), (864, 247567), (888, 240876), (999, 214112), (1184, 180657), (1332, 160584), (1776, 120438), (1998, 107056), (2664, 80292), (3552, 60219), (3996, 53528), (5328, 40146), (6691, 31968), (7992, 26764), (10656, 20073), (13382, 15984)]

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