About the Number

12648390

12648389 ← → 12648391

2進数表記:110000001111111111000110

漢数字表記:千二百六十四万八千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 2 × 797 1

素因数の和:853
約数の個数: 48
約数和(自身を含む): 31773168
約数和(自身を除く): 19124778

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 797, 1058, 1587, 1594, 2391, 2645, 3174, 3985, 4782, 5290, 7935, 7970, 11955, 15870, 18331, 23910, 36662, 54993, 91655, 109986, 183310, 274965, 421613, 549930, 843226, 1264839, 2108065, 2529678, 4216130, 6324195, 12648390]

約数ペア:
[(1, 12648390), (2, 6324195), (3, 4216130), (5, 2529678), (6, 2108065), (10, 1264839), (15, 843226), (23, 549930), (30, 421613), (46, 274965), (69, 183310), (115, 109986), (138, 91655), (230, 54993), (345, 36662), (529, 23910), (690, 18331), (797, 15870), (1058, 11955), (1587, 7970), (1594, 7935), (2391, 5290), (2645, 4782), (3174, 3985)]

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