About the Number

1989438

1989437 ← → 1989439

2進数表記:111100101101100111110

漢数字表記:百九十八万九千四百三十八

素因数分解:

2 1 × 3 1 × 11 1 × 43 1 × 701 1

素因数の和:760
約数の個数: 32
約数和(自身を含む): 4447872
約数和(自身を除く): 2458434

約数列:
[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 701, 946, 1402, 1419, 2103, 2838, 4206, 7711, 15422, 23133, 30143, 46266, 60286, 90429, 180858, 331573, 663146, 994719, 1989438]

約数ペア:
[(1, 1989438), (2, 994719), (3, 663146), (6, 331573), (11, 180858), (22, 90429), (33, 60286), (43, 46266), (66, 30143), (86, 23133), (129, 15422), (258, 7711), (473, 4206), (701, 2838), (946, 2103), (1402, 1419)]

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