About the Number

129012072

129012071 ← → 129012073

2進数表記:111101100001001000101101000

漢数字表記:一億二千九百一万二千七十二

素因数分解:

2 3 × 3 1 × 7 1 × 61 1 × 12589 1

素因数の和:12666
約数の個数: 64
約数和(自身を含む): 374678400
約数和(自身を除く): 245666328

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2562, 3416, 5124, 10248, 12589, 25178, 37767, 50356, 75534, 88123, 100712, 151068, 176246, 264369, 302136, 352492, 528738, 704984, 767929, 1057476, 1535858, 2114952, 2303787, 3071716, 4607574, 5375503, 6143432, 9215148, 10751006, 16126509, 18430296, 21502012, 32253018, 43004024, 64506036, 129012072]

約数ペア:
[(1, 129012072), (2, 64506036), (3, 43004024), (4, 32253018), (6, 21502012), (7, 18430296), (8, 16126509), (12, 10751006), (14, 9215148), (21, 6143432), (24, 5375503), (28, 4607574), (42, 3071716), (56, 2303787), (61, 2114952), (84, 1535858), (122, 1057476), (168, 767929), (183, 704984), (244, 528738), (366, 352492), (427, 302136), (488, 264369), (732, 176246), (854, 151068), (1281, 100712), (1464, 88123), (1708, 75534), (2562, 50356), (3416, 37767), (5124, 25178), (10248, 12589)]

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