About the Number

131560988

131560987 ← → 131560989

2進数表記:111110101110111011000011100

漢数字表記:一億三千百五十六万九百八十八

素因数分解:

2 2 × 13 1 × 433 1 × 5843 1

素因数の和:6293
約数の個数: 24
約数和(自身を含む): 248557008
約数和(自身を除く): 116996020

約数列:
[1, 2, 4, 13, 26, 52, 433, 866, 1732, 5629, 5843, 11258, 11686, 22516, 23372, 75959, 151918, 303836, 2530019, 5060038, 10120076, 32890247, 65780494, 131560988]

約数ペア:
[(1, 131560988), (2, 65780494), (4, 32890247), (13, 10120076), (26, 5060038), (52, 2530019), (433, 303836), (866, 151918), (1732, 75959), (5629, 23372), (5843, 22516), (11258, 11686)]

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