About the Number

2000897977

2000897976 ← → 2000897978

2進数表記:1110111010000110100011110111001

漢数字表記:二十億八十九万七千九百七十七

素因数分解:

13 5 × 17 1 × 317 1

素因数の和:399
約数の個数: 24
約数和(自身を含む): 2302387416
約数和(自身を除く): 301489439

約数列:
[1, 13, 17, 169, 221, 317, 2197, 2873, 4121, 5389, 28561, 37349, 53573, 70057, 371293, 485537, 696449, 910741, 6311981, 9053837, 11839633, 117699881, 153915229, 2000897977]

約数ペア:
[(1, 2000897977), (13, 153915229), (17, 117699881), (169, 11839633), (221, 9053837), (317, 6311981), (2197, 910741), (2873, 696449), (4121, 485537), (5389, 371293), (28561, 70057), (37349, 53573)]

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