About the Number

213388512

213388511 ← → 213388513

2進数表記:1100101110000000110011100000

漢数字表記:二億千三百三十八万八千五百十二

素因数分解:

2 5 × 3 1 × 71 1 × 31307 1

素因数の和:31391
約数の個数: 48
約数和(自身を含む): 568052352
約数和(自身を除く): 354663840

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3408, 6816, 31307, 62614, 93921, 125228, 187842, 250456, 375684, 500912, 751368, 1001824, 1502736, 2222797, 3005472, 4445594, 6668391, 8891188, 13336782, 17782376, 26673564, 35564752, 53347128, 71129504, 106694256, 213388512]

約数ペア:
[(1, 213388512), (2, 106694256), (3, 71129504), (4, 53347128), (6, 35564752), (8, 26673564), (12, 17782376), (16, 13336782), (24, 8891188), (32, 6668391), (48, 4445594), (71, 3005472), (96, 2222797), (142, 1502736), (213, 1001824), (284, 751368), (426, 500912), (568, 375684), (852, 250456), (1136, 187842), (1704, 125228), (2272, 93921), (3408, 62614), (6816, 31307)]

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