About the Number

201990107

201990106 ← → 201990108

2進数表記:1100000010100001111111011011

漢数字表記:二億百九十九万百七

素因数分解:

11 1 × 17 1 × 103 1 × 10487 1

素因数の和:10618
約数の個数: 16
約数和(自身を含む): 235602432
約数和(自身を除く): 33612325

約数列:
[1, 11, 17, 103, 187, 1133, 1751, 10487, 19261, 115357, 178279, 1080161, 1961069, 11881771, 18362737, 201990107]

約数ペア:
[(1, 201990107), (11, 18362737), (17, 11881771), (103, 1961069), (187, 1080161), (1133, 178279), (1751, 115357), (10487, 19261)]

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