About the Number

131805128

131805127 ← → 131805129

2進数表記:111110110110010111111001000

漢数字表記:一億三千百八十万五千百二十八

素因数分解:

2 3 × 7 1 × 13 2 × 19 1 × 733 1

素因数の和:791
約数の個数: 96
約数和(自身を含む): 322372800
約数和(自身を除く): 190567672

約数列:
[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 169, 182, 247, 266, 338, 364, 494, 532, 676, 728, 733, 988, 1064, 1183, 1352, 1466, 1729, 1976, 2366, 2932, 3211, 3458, 4732, 5131, 5864, 6422, 6916, 9464, 9529, 10262, 12844, 13832, 13927, 19058, 20524, 22477, 25688, 27854, 38116, 41048, 44954, 55708, 66703, 76232, 89908, 97489, 111416, 123877, 133406, 179816, 181051, 194978, 247754, 266812, 362102, 389956, 495508, 533624, 724204, 779912, 867139, 991016, 1267357, 1448408, 1734278, 2353663, 2534714, 3468556, 4707326, 5069428, 6937112, 9414652, 10138856, 16475641, 18829304, 32951282, 65902564, 131805128]

約数ペア:
[(1, 131805128), (2, 65902564), (4, 32951282), (7, 18829304), (8, 16475641), (13, 10138856), (14, 9414652), (19, 6937112), (26, 5069428), (28, 4707326), (38, 3468556), (52, 2534714), (56, 2353663), (76, 1734278), (91, 1448408), (104, 1267357), (133, 991016), (152, 867139), (169, 779912), (182, 724204), (247, 533624), (266, 495508), (338, 389956), (364, 362102), (494, 266812), (532, 247754), (676, 194978), (728, 181051), (733, 179816), (988, 133406), (1064, 123877), (1183, 111416), (1352, 97489), (1466, 89908), (1729, 76232), (1976, 66703), (2366, 55708), (2932, 44954), (3211, 41048), (3458, 38116), (4732, 27854), (5131, 25688), (5864, 22477), (6422, 20524), (6916, 19058), (9464, 13927), (9529, 13832), (10262, 12844)]

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