About the Number

1381649085

1381649084 ← → 1381649086

2進数表記:1010010010110100100101010111101

漢数字表記:十三億八千百六十四万九千八十五

素因数分解:

3 2 × 5 1 × 61 1 × 97 1 × 5189 1

素因数の和:5358
約数の個数: 48
約数和(自身を含む): 2459686320
約数和(自身を除く): 1078037235

約数列:
[1, 3, 5, 9, 15, 45, 61, 97, 183, 291, 305, 485, 549, 873, 915, 1455, 2745, 4365, 5189, 5917, 15567, 17751, 25945, 29585, 46701, 53253, 77835, 88755, 233505, 266265, 316529, 503333, 949587, 1509999, 1582645, 2516665, 2848761, 4529997, 4747935, 7549995, 14243805, 22649985, 30703313, 92109939, 153516565, 276329817, 460549695, 1381649085]

約数ペア:
[(1, 1381649085), (3, 460549695), (5, 276329817), (9, 153516565), (15, 92109939), (45, 30703313), (61, 22649985), (97, 14243805), (183, 7549995), (291, 4747935), (305, 4529997), (485, 2848761), (549, 2516665), (873, 1582645), (915, 1509999), (1455, 949587), (2745, 503333), (4365, 316529), (5189, 266265), (5917, 233505), (15567, 88755), (17751, 77835), (25945, 53253), (29585, 46701)]

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