About the Number

1989728

1989727 ← → 1989729

2進数表記:111100101110001100000

漢数字表記:百九十八万九千七百二十八

素因数分解:

2 5 × 13 1 × 4783 1

素因数の和:4806
約数の個数: 24
約数和(自身を含む): 4219488
約数和(自身を除く): 2229760

約数列:
[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 4783, 9566, 19132, 38264, 62179, 76528, 124358, 153056, 248716, 497432, 994864, 1989728]

約数ペア:
[(1, 1989728), (2, 994864), (4, 497432), (8, 248716), (13, 153056), (16, 124358), (26, 76528), (32, 62179), (52, 38264), (104, 19132), (208, 9566), (416, 4783)]

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