About the Number

11271390

11271389 ← → 11271391

2進数表記:101010111111110011011110

漢数字表記:千百二十七万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 28901 1

素因数の和:28924
約数の個数: 32
約数和(自身を含む): 29133216
約数和(自身を除く): 17861826

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 28901, 57802, 86703, 144505, 173406, 289010, 375713, 433515, 751426, 867030, 1127139, 1878565, 2254278, 3757130, 5635695, 11271390]

約数ペア:
[(1, 11271390), (2, 5635695), (3, 3757130), (5, 2254278), (6, 1878565), (10, 1127139), (13, 867030), (15, 751426), (26, 433515), (30, 375713), (39, 289010), (65, 173406), (78, 144505), (130, 86703), (195, 57802), (390, 28901)]

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