About the Number

28001308

28001307 ← → 28001309

2進数表記:1101010110100010000011100

漢数字表記:二千八百万千三百八

素因数分解:

2 2 × 31 1 × 241 1 × 937 1

素因数の和:1213
約数の個数: 24
約数和(自身を含む): 50847104
約数和(自身を除く): 22845796

約数列:
[1, 2, 4, 31, 62, 124, 241, 482, 937, 964, 1874, 3748, 7471, 14942, 29047, 29884, 58094, 116188, 225817, 451634, 903268, 7000327, 14000654, 28001308]

約数ペア:
[(1, 28001308), (2, 14000654), (4, 7000327), (31, 903268), (62, 451634), (124, 225817), (241, 116188), (482, 58094), (937, 29884), (964, 29047), (1874, 14942), (3748, 7471)]

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