About the Number

1991232064

1991232063 ← → 1991232065

2進数表記:1110110101011111100101001000000

漢数字表記:十九億九千百二十三万二千六十四

素因数分解:

2 6 × 59 1 × 349 1 × 1511 1

素因数の和:1931
約数の個数: 56
約数和(自身を含む): 4032504000
約数和(自身を除く): 2041271936

約数列:
[1, 2, 4, 8, 16, 32, 59, 64, 118, 236, 349, 472, 698, 944, 1396, 1511, 1888, 2792, 3022, 3776, 5584, 6044, 11168, 12088, 20591, 22336, 24176, 41182, 48352, 82364, 89149, 96704, 164728, 178298, 329456, 356596, 527339, 658912, 713192, 1054678, 1317824, 1426384, 2109356, 2852768, 4218712, 5705536, 8437424, 16874848, 31113001, 33749696, 62226002, 124452004, 248904008, 497808016, 995616032, 1991232064]

約数ペア:
[(1, 1991232064), (2, 995616032), (4, 497808016), (8, 248904008), (16, 124452004), (32, 62226002), (59, 33749696), (64, 31113001), (118, 16874848), (236, 8437424), (349, 5705536), (472, 4218712), (698, 2852768), (944, 2109356), (1396, 1426384), (1511, 1317824), (1888, 1054678), (2792, 713192), (3022, 658912), (3776, 527339), (5584, 356596), (6044, 329456), (11168, 178298), (12088, 164728), (20591, 96704), (22336, 89149), (24176, 82364), (41182, 48352)]

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