About the Number

1681489931

1681489930 ← → 1681489932

2進数表記:1100100001110011000000000001011

漢数字表記:十六億八千百四十八万九千九百三十一

素因数分解:

11 2 × 43 1 × 131 1 × 2467 1

素因数の和:2663
約数の個数: 24
約数和(自身を含む): 1906441152
約数和(自身を除く): 224951221

約数列:
[1, 11, 43, 121, 131, 473, 1441, 2467, 5203, 5633, 15851, 27137, 61963, 106081, 298507, 323177, 681593, 1166891, 3554947, 12835801, 13896611, 39104417, 152862721, 1681489931]

約数ペア:
[(1, 1681489931), (11, 152862721), (43, 39104417), (121, 13896611), (131, 12835801), (473, 3554947), (1441, 1166891), (2467, 681593), (5203, 323177), (5633, 298507), (15851, 106081), (27137, 61963)]

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