About the Number

131972208

131972207 ← → 131972209

2進数表記:111110111011011110001110000

漢数字表記:一億三千百九十七万二千二百八

素因数分解:

2 4 × 3 1 × 31 2 × 2861 1

素因数の和:2934
約数の個数: 60
約数和(自身を含む): 352403784
約数和(自身を除く): 220431576

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 961, 1488, 1922, 2861, 2883, 3844, 5722, 5766, 7688, 8583, 11444, 11532, 15376, 17166, 22888, 23064, 34332, 45776, 46128, 68664, 88691, 137328, 177382, 266073, 354764, 532146, 709528, 1064292, 1419056, 2128584, 2749421, 4257168, 5498842, 8248263, 10997684, 16496526, 21995368, 32993052, 43990736, 65986104, 131972208]

約数ペア:
[(1, 131972208), (2, 65986104), (3, 43990736), (4, 32993052), (6, 21995368), (8, 16496526), (12, 10997684), (16, 8248263), (24, 5498842), (31, 4257168), (48, 2749421), (62, 2128584), (93, 1419056), (124, 1064292), (186, 709528), (248, 532146), (372, 354764), (496, 266073), (744, 177382), (961, 137328), (1488, 88691), (1922, 68664), (2861, 46128), (2883, 45776), (3844, 34332), (5722, 23064), (5766, 22888), (7688, 17166), (8583, 15376), (11444, 11532)]

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