About the Number

13865390

13865389 ← → 13865391

2進数表記:110100111001000110101110

漢数字表記:千三百八十六万五千三百九十

素因数分解:

2 1 × 5 1 × 7 1 × 11 2 × 1637 1

素因数の和:1673
約数の個数: 48
約数和(自身を含む): 31370976
約数和(自身を除く): 17505586

約数列:
[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1637, 1694, 3274, 4235, 8185, 8470, 11459, 16370, 18007, 22918, 36014, 57295, 90035, 114590, 126049, 180070, 198077, 252098, 396154, 630245, 990385, 1260490, 1386539, 1980770, 2773078, 6932695, 13865390]

約数ペア:
[(1, 13865390), (2, 6932695), (5, 2773078), (7, 1980770), (10, 1386539), (11, 1260490), (14, 990385), (22, 630245), (35, 396154), (55, 252098), (70, 198077), (77, 180070), (110, 126049), (121, 114590), (154, 90035), (242, 57295), (385, 36014), (605, 22918), (770, 18007), (847, 16370), (1210, 11459), (1637, 8470), (1694, 8185), (3274, 4235)]

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