About the Number

13812890

13812889 ← → 13812891

2進数表記:110100101100010010011010

漢数字表記:千三百八十一万二千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 13 1 × 43 1 × 353 1

素因数の和:423
約数の個数: 64
約数和(自身を含む): 31401216
約数和(自身を除く): 17588326

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 353, 430, 455, 559, 602, 706, 910, 1118, 1505, 1765, 2471, 2795, 3010, 3530, 3913, 4589, 4942, 5590, 7826, 9178, 12355, 15179, 19565, 22945, 24710, 30358, 32123, 39130, 45890, 64246, 75895, 106253, 151790, 160615, 197327, 212506, 321230, 394654, 531265, 986635, 1062530, 1381289, 1973270, 2762578, 6906445, 13812890]

約数ペア:
[(1, 13812890), (2, 6906445), (5, 2762578), (7, 1973270), (10, 1381289), (13, 1062530), (14, 986635), (26, 531265), (35, 394654), (43, 321230), (65, 212506), (70, 197327), (86, 160615), (91, 151790), (130, 106253), (182, 75895), (215, 64246), (301, 45890), (353, 39130), (430, 32123), (455, 30358), (559, 24710), (602, 22945), (706, 19565), (910, 15179), (1118, 12355), (1505, 9178), (1765, 7826), (2471, 5590), (2795, 4942), (3010, 4589), (3530, 3913)]

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