1640017918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2339}}^1$

素因数の和:2545

約数の個数: 64

約数和(自身を含む): 3194380800

約数和(自身を除く): 1554362882

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 157, 203, 314, 319, 406, 638, 1099, 1727, 2198, 2233, 2339, 3454, 4466, 4553, 4678, 9106, 12089, 16373, 24178, 25729, 31871, 32746, 50083, 51458, 63742, 67831, 100166, 135662, 180103, 350581, 360206, 367223, 474817, 701162, 734446, 746141, 949634, 1492282, 2570561, 4039453, 5141122, 5222987, 8078906, 10445974, 10649467, 21298934, 28276171, 56552342, 74546269, 117144137, 149092538, 234288274, 820008959, 1640017918]

約数ペア:

[(1, 1640017918), (2, 820008959), (7, 234288274), (11, 149092538), (14, 117144137), (22, 74546269), (29, 56552342), (58, 28276171), (77, 21298934), (154, 10649467), (157, 10445974), (203, 8078906), (314, 5222987), (319, 5141122), (406, 4039453), (638, 2570561), (1099, 1492282), (1727, 949634), (2198, 746141), (2233, 734446), (2339, 701162), (3454, 474817), (4466, 367223), (4553, 360206), (4678, 350581), (9106, 180103), (12089, 135662), (16373, 100166), (24178, 67831), (25729, 63742), (31871, 51458), (32746, 50083)]