131346985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 206406144

約数和(自身を除く): 75059159

約数列:

[1, 5, 7, 11, 35, 41, 53, 55, 77, 157, 205, 265, 287, 371, 385, 451, 583, 785, 1099, 1435, 1727, 1855, 2173, 2255, 2915, 3157, 4081, 5495, 6437, 8321, 8635, 10865, 12089, 15211, 15785, 20405, 23903, 32185, 41605, 45059, 58247, 60445, 70807, 76055, 91531, 119515, 167321, 225295, 291235, 341161, 354035, 457655, 495649, 640717, 836605, 1705805, 2388127, 2478245, 3203585, 3752771, 11940635, 18763855, 26269397, 131346985]

約数ペア:

[(1, 131346985), (5, 26269397), (7, 18763855), (11, 11940635), (35, 3752771), (41, 3203585), (53, 2478245), (55, 2388127), (77, 1705805), (157, 836605), (205, 640717), (265, 495649), (287, 457655), (371, 354035), (385, 341161), (451, 291235), (583, 225295), (785, 167321), (1099, 119515), (1435, 91531), (1727, 76055), (1855, 70807), (2173, 60445), (2255, 58247), (2915, 45059), (3157, 41605), (4081, 32185), (5495, 23903), (6437, 20405), (8321, 15785), (8635, 15211), (10865, 12089)]