About the Number

201289913

201289912 ← → 201289914

2進数表記:1011111111110111000010111001

漢数字表記:二億百二十八万九千九百十三

素因数分解:

11 2 × 31 1 × 103 1 × 521 1

素因数の和:677
約数の個数: 24
約数和(自身を含む): 231049728
約数和(自身を除く): 29759815

約数列:
[1, 11, 31, 103, 121, 341, 521, 1133, 3193, 3751, 5731, 12463, 16151, 35123, 53663, 63041, 177661, 386353, 590293, 1663553, 1954271, 6493223, 18299083, 201289913]

約数ペア:
[(1, 201289913), (11, 18299083), (31, 6493223), (103, 1954271), (121, 1663553), (341, 590293), (521, 386353), (1133, 177661), (3193, 63041), (3751, 53663), (5731, 35123), (12463, 16151)]

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