About the Number

261393888

261393887 ← → 261393889

2進数表記:1111100101001000110111100000

漢数字表記:二億六千百三十九万三千八百八十八

素因数分解:

2 5 × 3 1 × 7 1 × 541 1 × 719 1

素因数の和:1280
約数の個数: 96
約数和(自身を含む): 786723840
約数和(自身を除く): 525329952

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 541, 672, 719, 1082, 1438, 1623, 2157, 2164, 2876, 3246, 3787, 4314, 4328, 5033, 5752, 6492, 7574, 8628, 8656, 10066, 11361, 11504, 12984, 15099, 15148, 17256, 17312, 20132, 22722, 23008, 25968, 30198, 30296, 34512, 40264, 45444, 51936, 60396, 60592, 69024, 80528, 90888, 120792, 121184, 161056, 181776, 241584, 363552, 388979, 483168, 777958, 1166937, 1555916, 2333874, 2722853, 3111832, 4667748, 5445706, 6223664, 8168559, 9335496, 10891412, 12447328, 16337118, 18670992, 21782824, 32674236, 37341984, 43565648, 65348472, 87131296, 130696944, 261393888]

約数ペア:
[(1, 261393888), (2, 130696944), (3, 87131296), (4, 65348472), (6, 43565648), (7, 37341984), (8, 32674236), (12, 21782824), (14, 18670992), (16, 16337118), (21, 12447328), (24, 10891412), (28, 9335496), (32, 8168559), (42, 6223664), (48, 5445706), (56, 4667748), (84, 3111832), (96, 2722853), (112, 2333874), (168, 1555916), (224, 1166937), (336, 777958), (541, 483168), (672, 388979), (719, 363552), (1082, 241584), (1438, 181776), (1623, 161056), (2157, 121184), (2164, 120792), (2876, 90888), (3246, 80528), (3787, 69024), (4314, 60592), (4328, 60396), (5033, 51936), (5752, 45444), (6492, 40264), (7574, 34512), (8628, 30296), (8656, 30198), (10066, 25968), (11361, 23008), (11504, 22722), (12984, 20132), (15099, 17312), (15148, 17256)]

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