About the Number

201380641

201380640 ← → 201380642

2進数表記:1100000000001101001100100001

漢数字表記:二億百三十八万六百四十一

素因数分解:

7 2 × 11 1 × 307 1 × 1217 1

素因数の和:1549
約数の個数: 24
約数和(自身を含む): 256598496
約数和(自身を除く): 55217855

約数列:
[1, 7, 11, 49, 77, 307, 539, 1217, 2149, 3377, 8519, 13387, 15043, 23639, 59633, 93709, 165473, 373619, 655963, 2615333, 4109809, 18307331, 28768663, 201380641]

約数ペア:
[(1, 201380641), (7, 28768663), (11, 18307331), (49, 4109809), (77, 2615333), (307, 655963), (539, 373619), (1217, 165473), (2149, 93709), (3377, 59633), (8519, 23639), (13387, 15043)]

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