About the Number

130128885

130128884 ← → 130128886

2進数表記:111110000011001101111110101

漢数字表記:一億三千十二万八千八百八十五

素因数分解:

3 2 × 5 1 × 227 1 × 12739 1

素因数の和:12977
約数の個数: 24
約数和(自身を含む): 226568160
約数和(自身を除く): 96439275

約数列:
[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 3405, 10215, 12739, 38217, 63695, 114651, 191085, 573255, 2891753, 8675259, 14458765, 26025777, 43376295, 130128885]

約数ペア:
[(1, 130128885), (3, 43376295), (5, 26025777), (9, 14458765), (15, 8675259), (45, 2891753), (227, 573255), (681, 191085), (1135, 114651), (2043, 63695), (3405, 38217), (10215, 12739)]

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