About the Number

131307072

131307071 ← → 131307073

2進数表記:111110100111001011001000000

漢数字表記:一億三千百三十万七千七十二

素因数分解:

2 6 × 3 1 × 13 1 × 31 1 × 1697 1

素因数の和:1756
約数の個数: 112
約数和(自身を含む): 386437632
約数和(自身を除く): 255130560

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1697, 1984, 2418, 2496, 2976, 3224, 3394, 4836, 5091, 5952, 6448, 6788, 9672, 10182, 12896, 13576, 19344, 20364, 22061, 25792, 27152, 38688, 40728, 44122, 52607, 54304, 66183, 77376, 81456, 88244, 105214, 108608, 132366, 157821, 162912, 176488, 210428, 264732, 315642, 325824, 352976, 420856, 529464, 631284, 683891, 705952, 841712, 1058928, 1262568, 1367782, 1411904, 1683424, 2051673, 2117856, 2525136, 2735564, 3366848, 4103346, 4235712, 5050272, 5471128, 8206692, 10100544, 10942256, 16413384, 21884512, 32826768, 43769024, 65653536, 131307072]

約数ペア:
[(1, 131307072), (2, 65653536), (3, 43769024), (4, 32826768), (6, 21884512), (8, 16413384), (12, 10942256), (13, 10100544), (16, 8206692), (24, 5471128), (26, 5050272), (31, 4235712), (32, 4103346), (39, 3366848), (48, 2735564), (52, 2525136), (62, 2117856), (64, 2051673), (78, 1683424), (93, 1411904), (96, 1367782), (104, 1262568), (124, 1058928), (156, 841712), (186, 705952), (192, 683891), (208, 631284), (248, 529464), (312, 420856), (372, 352976), (403, 325824), (416, 315642), (496, 264732), (624, 210428), (744, 176488), (806, 162912), (832, 157821), (992, 132366), (1209, 108608), (1248, 105214), (1488, 88244), (1612, 81456), (1697, 77376), (1984, 66183), (2418, 54304), (2496, 52607), (2976, 44122), (3224, 40728), (3394, 38688), (4836, 27152), (5091, 25792), (5952, 22061), (6448, 20364), (6788, 19344), (9672, 13576), (10182, 12896)]

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