128287146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1747

約数の個数: 64

約数和(自身を含む): 295206912

約数和(自身を除く): 166919766

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 43, 46, 69, 78, 86, 129, 138, 258, 299, 559, 598, 897, 989, 1118, 1663, 1677, 1794, 1978, 2967, 3326, 3354, 4989, 5934, 9978, 12857, 21619, 25714, 38249, 38571, 43238, 64857, 71509, 76498, 77142, 114747, 129714, 143018, 214527, 229494, 429054, 497237, 929617, 994474, 1491711, 1644707, 1859234, 2788851, 2983422, 3289414, 4934121, 5577702, 9868242, 21381191, 42762382, 64143573, 128287146]

約数ペア:

[(1, 128287146), (2, 64143573), (3, 42762382), (6, 21381191), (13, 9868242), (23, 5577702), (26, 4934121), (39, 3289414), (43, 2983422), (46, 2788851), (69, 1859234), (78, 1644707), (86, 1491711), (129, 994474), (138, 929617), (258, 497237), (299, 429054), (559, 229494), (598, 214527), (897, 143018), (989, 129714), (1118, 114747), (1663, 77142), (1677, 76498), (1794, 71509), (1978, 64857), (2967, 43238), (3326, 38571), (3354, 38249), (4989, 25714), (5934, 21619), (9978, 12857)]