About the Number

27982864

27982863 ← → 27982865

2進数表記:1101010101111110000010000

漢数字表記:二千七百九十八万二千八百六十四

素因数分解:

2 4 × 7 1 × 13 1 × 19219 1

素因数の和:19247
約数の個数: 40
約数和(自身を含む): 66731840
約数和(自身を除く): 38748976

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19219, 38438, 76876, 134533, 153752, 249847, 269066, 307504, 499694, 538132, 999388, 1076264, 1748929, 1998776, 2152528, 3497858, 3997552, 6995716, 13991432, 27982864]

約数ペア:
[(1, 27982864), (2, 13991432), (4, 6995716), (7, 3997552), (8, 3497858), (13, 2152528), (14, 1998776), (16, 1748929), (26, 1076264), (28, 999388), (52, 538132), (56, 499694), (91, 307504), (104, 269066), (112, 249847), (182, 153752), (208, 134533), (364, 76876), (728, 38438), (1456, 19219)]

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