About the Number

121664942

121664941 ← → 121664943

2進数表記:111010000000111010110101110

漢数字表記:一億二千百六十六万四千九百四十二

素因数分解:

2 1 × 7 2 × 19 3 × 181 1

素因数の和:254
約数の個数: 48
約数和(自身を含む): 225323280
約数和(自身を除く): 103658338

約数列:
[1, 2, 7, 14, 19, 38, 49, 98, 133, 181, 266, 361, 362, 722, 931, 1267, 1862, 2527, 2534, 3439, 5054, 6859, 6878, 8869, 13718, 17689, 17738, 24073, 35378, 48013, 48146, 65341, 96026, 130682, 168511, 336091, 337022, 457387, 672182, 914774, 1241479, 2482958, 3201709, 6403418, 8690353, 17380706, 60832471, 121664942]

約数ペア:
[(1, 121664942), (2, 60832471), (7, 17380706), (14, 8690353), (19, 6403418), (38, 3201709), (49, 2482958), (98, 1241479), (133, 914774), (181, 672182), (266, 457387), (361, 337022), (362, 336091), (722, 168511), (931, 130682), (1267, 96026), (1862, 65341), (2527, 48146), (2534, 48013), (3439, 35378), (5054, 24073), (6859, 17738), (6878, 17689), (8869, 13718)]

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