About the Number

990973009

990973008 ← → 990973010

2進数表記:111011000100010000110001010001

漢数字表記:九億九千九十七万三千九

素因数分解:

13 1 × 23 1 × 181 1 × 18311 1

素因数の和:18528
約数の個数: 16
約数和(自身を含む): 1119815424
約数和(自身を除く): 128842415

約数列:
[1, 13, 23, 181, 299, 2353, 4163, 18311, 54119, 238043, 421153, 3314291, 5474989, 43085783, 76228693, 990973009]

約数ペア:
[(1, 990973009), (13, 76228693), (23, 43085783), (181, 5474989), (299, 3314291), (2353, 421153), (4163, 238043), (18311, 54119)]

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