About the Number

131409984

131409983 ← → 131409985

2進数表記:111110101010010100001000000

漢数字表記:一億三千百四十万九千九百八十四

素因数分解:

2 6 × 3 1 × 684427 1

素因数の和:684442
約数の個数: 28
約数和(自身を含む): 347689424
約数和(自身を除く): 216279440

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 684427, 1368854, 2053281, 2737708, 4106562, 5475416, 8213124, 10950832, 16426248, 21901664, 32852496, 43803328, 65704992, 131409984]

約数ペア:
[(1, 131409984), (2, 65704992), (3, 43803328), (4, 32852496), (6, 21901664), (8, 16426248), (12, 10950832), (16, 8213124), (24, 5475416), (32, 4106562), (48, 2737708), (64, 2053281), (96, 1368854), (192, 684427)]

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