About the Number

12898641

12898640 ← → 12898642

2進数表記:110001001101000101010001

漢数字表記:千二百八十九万八千六百四十一

素因数分解:

3 1 × 7 1 × 41 1 × 71 1 × 211 1

素因数の和:333
約数の個数: 32
約数和(自身を含む): 20514816
約数和(自身を除く): 7616175

約数列:
[1, 3, 7, 21, 41, 71, 123, 211, 213, 287, 497, 633, 861, 1477, 1491, 2911, 4431, 8651, 8733, 14981, 20377, 25953, 44943, 60557, 61131, 104867, 181671, 314601, 614221, 1842663, 4299547, 12898641]

約数ペア:
[(1, 12898641), (3, 4299547), (7, 1842663), (21, 614221), (41, 314601), (71, 181671), (123, 104867), (211, 61131), (213, 60557), (287, 44943), (497, 25953), (633, 20377), (861, 14981), (1477, 8733), (1491, 8651), (2911, 4431)]

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