About the Number

172489772

172489771 ← → 172489773

2進数表記:1010010001111111110000101100

漢数字表記:一億七千二百四十八万九千七百七十二

素因数分解:

2 2 × 7 1 × 13 1 × 53 1 × 8941 1

素因数の和:9018
約数の個数: 48
約数和(自身を含む): 378568512
約数和(自身を除く): 206078740

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 8941, 9646, 17882, 19292, 35764, 62587, 116233, 125174, 232466, 250348, 464932, 473873, 813631, 947746, 1627262, 1895492, 3254524, 3317111, 6160349, 6634222, 12320698, 13268444, 24641396, 43122443, 86244886, 172489772]

約数ペア:
[(1, 172489772), (2, 86244886), (4, 43122443), (7, 24641396), (13, 13268444), (14, 12320698), (26, 6634222), (28, 6160349), (52, 3317111), (53, 3254524), (91, 1895492), (106, 1627262), (182, 947746), (212, 813631), (364, 473873), (371, 464932), (689, 250348), (742, 232466), (1378, 125174), (1484, 116233), (2756, 62587), (4823, 35764), (8941, 19292), (9646, 17882)]

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