About the Number

27981690

27981689 ← → 27981691

2進数表記:1101010101111011101111010

漢数字表記:二千七百九十八万千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 84793 1

素因数の和:84814
約数の個数: 32
約数和(自身を含む): 73262016
約数和(自身を除く): 45280326

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 84793, 169586, 254379, 423965, 508758, 847930, 932723, 1271895, 1865446, 2543790, 2798169, 4663615, 5596338, 9327230, 13990845, 27981690]

約数ペア:
[(1, 27981690), (2, 13990845), (3, 9327230), (5, 5596338), (6, 4663615), (10, 2798169), (11, 2543790), (15, 1865446), (22, 1271895), (30, 932723), (33, 847930), (55, 508758), (66, 423965), (110, 254379), (165, 169586), (330, 84793)]

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