About the Number

201689312

201689311 ← → 201689313

2進数表記:1100000001011000100011100000

漢数字表記:二億百六十八万九千三百十二

素因数分解:

2 5 × 11 1 × 421 1 × 1361 1

素因数の和:1803
約数の個数: 48
約数和(自身を含む): 434521584
約数和(自身を除く): 232832272

約数列:
[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 421, 842, 1361, 1684, 2722, 3368, 4631, 5444, 6736, 9262, 10888, 13472, 14971, 18524, 21776, 29942, 37048, 43552, 59884, 74096, 119768, 148192, 239536, 479072, 572981, 1145962, 2291924, 4583848, 6302791, 9167696, 12605582, 18335392, 25211164, 50422328, 100844656, 201689312]

約数ペア:
[(1, 201689312), (2, 100844656), (4, 50422328), (8, 25211164), (11, 18335392), (16, 12605582), (22, 9167696), (32, 6302791), (44, 4583848), (88, 2291924), (176, 1145962), (352, 572981), (421, 479072), (842, 239536), (1361, 148192), (1684, 119768), (2722, 74096), (3368, 59884), (4631, 43552), (5444, 37048), (6736, 29942), (9262, 21776), (10888, 18524), (13472, 14971)]

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