About the Number

13004985

13004984 ← → 13004986

2進数表記:110001100111000010111001

漢数字表記:千三百万四千九百八十五

素因数分解:

3 1 × 5 1 × 7 1 × 211 1 × 587 1

素因数の和:813
約数の個数: 32
約数和(自身を含む): 23933952
約数和(自身を除く): 10928967

約数列:
[1, 3, 5, 7, 15, 21, 35, 105, 211, 587, 633, 1055, 1477, 1761, 2935, 3165, 4109, 4431, 7385, 8805, 12327, 20545, 22155, 61635, 123857, 371571, 619285, 866999, 1857855, 2600997, 4334995, 13004985]

約数ペア:
[(1, 13004985), (3, 4334995), (5, 2600997), (7, 1857855), (15, 866999), (21, 619285), (35, 371571), (105, 123857), (211, 61635), (587, 22155), (633, 20545), (1055, 12327), (1477, 8805), (1761, 7385), (2935, 4431), (3165, 4109)]

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