About the Number

1201312

1201311 ← → 1201313

2進数表記:100100101010010100000

漢数字表記:百二十万千三百十二

素因数分解:

2 5 × 7 1 × 31 1 × 173 1

素因数の和:221
約数の個数: 48
約数和(自身を含む): 2806272
約数和(自身を除く): 1604960

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 173, 217, 224, 248, 346, 434, 496, 692, 868, 992, 1211, 1384, 1736, 2422, 2768, 3472, 4844, 5363, 5536, 6944, 9688, 10726, 19376, 21452, 37541, 38752, 42904, 75082, 85808, 150164, 171616, 300328, 600656, 1201312]

約数ペア:
[(1, 1201312), (2, 600656), (4, 300328), (7, 171616), (8, 150164), (14, 85808), (16, 75082), (28, 42904), (31, 38752), (32, 37541), (56, 21452), (62, 19376), (112, 10726), (124, 9688), (173, 6944), (217, 5536), (224, 5363), (248, 4844), (346, 3472), (434, 2768), (496, 2422), (692, 1736), (868, 1384), (992, 1211)]

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