About the Number

221444288

221444287 ← → 221444289

2進数表記:1101001100101111100011000000

漢数字表記:二億二千百四十四万四千二百八十八

素因数分解:

2 6 × 13 1 × 266159 1

素因数の和:266184
約数の個数: 28
約数和(自身を含む): 473232480
約数和(自身を除く): 251788192

約数列:
[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 266159, 532318, 1064636, 2129272, 3460067, 4258544, 6920134, 8517088, 13840268, 17034176, 27680536, 55361072, 110722144, 221444288]

約数ペア:
[(1, 221444288), (2, 110722144), (4, 55361072), (8, 27680536), (13, 17034176), (16, 13840268), (26, 8517088), (32, 6920134), (52, 4258544), (64, 3460067), (104, 2129272), (208, 1064636), (416, 532318), (832, 266159)]

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