About the Number

201991164

201991163 ← → 201991165

2進数表記:1100000010100010001111111100

漢数字表記:二億百九十九万千百六十四

素因数分解:

2 2 × 3 1 × 31 1 × 542987 1

素因数の和:543025
約数の個数: 24
約数和(自身を含む): 486517248
約数和(自身を除く): 284526084

約数列:
[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 542987, 1085974, 1628961, 2171948, 3257922, 6515844, 16832597, 33665194, 50497791, 67330388, 100995582, 201991164]

約数ペア:
[(1, 201991164), (2, 100995582), (3, 67330388), (4, 50497791), (6, 33665194), (12, 16832597), (31, 6515844), (62, 3257922), (93, 2171948), (124, 1628961), (186, 1085974), (372, 542987)]

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