About the Number

121489146

121489145 ← → 121489147

2進数表記:111001111011100011011111010

漢数字表記:一億二千百四十八万九千百四十六

素因数分解:

2 1 × 3 4 × 397 1 × 1889 1

素因数の和:2300
約数の個数: 40
約数和(自身を含む): 273055860
約数和(自身を除く): 151566714

約数列:
[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 397, 794, 1191, 1889, 2382, 3573, 3778, 5667, 7146, 10719, 11334, 17001, 21438, 32157, 34002, 51003, 64314, 102006, 153009, 306018, 749933, 1499866, 2249799, 4499598, 6749397, 13498794, 20248191, 40496382, 60744573, 121489146]

約数ペア:
[(1, 121489146), (2, 60744573), (3, 40496382), (6, 20248191), (9, 13498794), (18, 6749397), (27, 4499598), (54, 2249799), (81, 1499866), (162, 749933), (397, 306018), (794, 153009), (1191, 102006), (1889, 64314), (2382, 51003), (3573, 34002), (3778, 32157), (5667, 21438), (7146, 17001), (10719, 11334)]

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