2161569193

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 2816985600

約数和(自身を除く): 655416407

約数列:

[1, 7, 17, 37, 43, 49, 119, 233, 259, 301, 343, 629, 731, 833, 1591, 1631, 1813, 2107, 3961, 4403, 5117, 5831, 8621, 10019, 11137, 11417, 12691, 14749, 27047, 27727, 30821, 35819, 60347, 70133, 77959, 79919, 146557, 170323, 189329, 194089, 215747, 250733, 370703, 422429, 490931, 545713, 1025899, 1192261, 1325303, 1358623, 2594921, 2957003, 3436517, 6301951, 7181293, 8345827, 9277121, 18164447, 44113657, 50269051, 58420789, 127151129, 308795599, 2161569193]

約数ペア:

[(1, 2161569193), (7, 308795599), (17, 127151129), (37, 58420789), (43, 50269051), (49, 44113657), (119, 18164447), (233, 9277121), (259, 8345827), (301, 7181293), (343, 6301951), (629, 3436517), (731, 2957003), (833, 2594921), (1591, 1358623), (1631, 1325303), (1813, 1192261), (2107, 1025899), (3961, 545713), (4403, 490931), (5117, 422429), (5831, 370703), (8621, 250733), (10019, 215747), (11137, 194089), (11417, 189329), (12691, 170323), (14749, 146557), (27047, 79919), (27727, 77959), (30821, 70133), (35819, 60347)]