About the Number

201189131

201189130 ← → 201189132

2進数表記:1011111111011110011100001011

漢数字表記:二億百十八万九千百三十一

素因数分解:

11 1 × 13 1 × 43 1 × 32719 1

素因数の和:32786
約数の個数: 16
約数和(自身を含む): 241866240
約数和(自身を除く): 40677109

約数列:
[1, 11, 13, 43, 143, 473, 559, 6149, 32719, 359909, 425347, 1406917, 4678817, 15476087, 18289921, 201189131]

約数ペア:
[(1, 201189131), (11, 18289921), (13, 15476087), (43, 4678817), (143, 1406917), (473, 425347), (559, 359909), (6149, 32719)]

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