About the Number

13917988

13917987 ← → 13917989

2進数表記:110101000101111100100100

漢数字表記:千三百九十一万七千九百八十八

素因数分解:

2 2 × 7 1 × 71 1 × 7001 1

素因数の和:7083
約数の個数: 24
約数和(自身を含む): 28232064
約数和(自身を除く): 14314076

約数列:
[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 7001, 14002, 28004, 49007, 98014, 196028, 497071, 994142, 1988284, 3479497, 6958994, 13917988]

約数ペア:
[(1, 13917988), (2, 6958994), (4, 3479497), (7, 1988284), (14, 994142), (28, 497071), (71, 196028), (142, 98014), (284, 49007), (497, 28004), (994, 14002), (1988, 7001)]

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