217420742

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 417130560

約数和(自身を除く): 199709818

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 139, 154, 278, 539, 973, 1078, 1451, 1529, 1946, 2902, 3058, 6811, 10157, 10703, 13622, 15961, 20314, 21406, 31922, 71099, 74921, 111727, 142198, 149842, 201689, 223454, 403378, 782089, 1411823, 1564178, 2218579, 2823646, 4437158, 9882761, 15530053, 19765522, 31060106, 108710371, 217420742]

約数ペア:

[(1, 217420742), (2, 108710371), (7, 31060106), (11, 19765522), (14, 15530053), (22, 9882761), (49, 4437158), (77, 2823646), (98, 2218579), (139, 1564178), (154, 1411823), (278, 782089), (539, 403378), (973, 223454), (1078, 201689), (1451, 149842), (1529, 142198), (1946, 111727), (2902, 74921), (3058, 71099), (6811, 31922), (10157, 21406), (10703, 20314), (13622, 15961)]