About the Number

12165990

12165989 ← → 12165991

2進数表記:101110011010001101100110

漢数字表記:千二百十六万五千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 43 1 × 9431 1

素因数の和:9484
約数の個数: 32
約数和(自身を含む): 29880576
約数和(自身を除く): 17714586

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 9431, 18862, 28293, 47155, 56586, 94310, 141465, 282930, 405533, 811066, 1216599, 2027665, 2433198, 4055330, 6082995, 12165990]

約数ペア:
[(1, 12165990), (2, 6082995), (3, 4055330), (5, 2433198), (6, 2027665), (10, 1216599), (15, 811066), (30, 405533), (43, 282930), (86, 141465), (129, 94310), (215, 56586), (258, 47155), (430, 28293), (645, 18862), (1290, 9431)]

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