About the Number

131257056

131257055 ← → 131257057

2進数表記:111110100101101001011100000

漢数字表記:一億三千百二十五万七千五十六

素因数分解:

2 5 × 3 1 × 7 1 × 37 1 × 5279 1

素因数の和:5336
約数の個数: 96
約数和(自身を含む): 404490240
約数和(自身を除く): 273233184

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 74, 84, 96, 111, 112, 148, 168, 222, 224, 259, 296, 336, 444, 518, 592, 672, 777, 888, 1036, 1184, 1554, 1776, 2072, 3108, 3552, 4144, 5279, 6216, 8288, 10558, 12432, 15837, 21116, 24864, 31674, 36953, 42232, 63348, 73906, 84464, 110859, 126696, 147812, 168928, 195323, 221718, 253392, 295624, 390646, 443436, 506784, 585969, 591248, 781292, 886872, 1171938, 1182496, 1367261, 1562584, 1773744, 2343876, 2734522, 3125168, 3547488, 4101783, 4687752, 5469044, 6250336, 8203566, 9375504, 10938088, 16407132, 18751008, 21876176, 32814264, 43752352, 65628528, 131257056]

約数ペア:
[(1, 131257056), (2, 65628528), (3, 43752352), (4, 32814264), (6, 21876176), (7, 18751008), (8, 16407132), (12, 10938088), (14, 9375504), (16, 8203566), (21, 6250336), (24, 5469044), (28, 4687752), (32, 4101783), (37, 3547488), (42, 3125168), (48, 2734522), (56, 2343876), (74, 1773744), (84, 1562584), (96, 1367261), (111, 1182496), (112, 1171938), (148, 886872), (168, 781292), (222, 591248), (224, 585969), (259, 506784), (296, 443436), (336, 390646), (444, 295624), (518, 253392), (592, 221718), (672, 195323), (777, 168928), (888, 147812), (1036, 126696), (1184, 110859), (1554, 84464), (1776, 73906), (2072, 63348), (3108, 42232), (3552, 36953), (4144, 31674), (5279, 24864), (6216, 21116), (8288, 15837), (10558, 12432)]

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