About the Number

213891008

213891007 ← → 213891009

2進数表記:1100101111111011011111000000

漢数字表記:二億千三百八十九万千八

素因数分解:

2 6 × 17 1 × 29 1 × 6779 1

素因数の和:6837
約数の個数: 56
約数和(自身を含む): 464972400
約数和(自身を除く): 251081392

約数列:
[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1088, 1856, 1972, 3944, 6779, 7888, 13558, 15776, 27116, 31552, 54232, 108464, 115243, 196591, 216928, 230486, 393182, 433856, 460972, 786364, 921944, 1572728, 1843888, 3145456, 3342047, 3687776, 6290912, 6684094, 7375552, 12581824, 13368188, 26736376, 53472752, 106945504, 213891008]

約数ペア:
[(1, 213891008), (2, 106945504), (4, 53472752), (8, 26736376), (16, 13368188), (17, 12581824), (29, 7375552), (32, 6684094), (34, 6290912), (58, 3687776), (64, 3342047), (68, 3145456), (116, 1843888), (136, 1572728), (232, 921944), (272, 786364), (464, 460972), (493, 433856), (544, 393182), (928, 230486), (986, 216928), (1088, 196591), (1856, 115243), (1972, 108464), (3944, 54232), (6779, 31552), (7888, 27116), (13558, 15776)]

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