85720292

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 178536960

約数和(自身を除く): 92816668

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 658, 742, 1229, 1316, 1484, 2458, 2491, 4916, 4982, 8603, 9964, 17206, 17437, 34412, 34874, 57763, 65137, 69748, 115526, 130274, 231052, 260548, 404341, 455959, 808682, 911918, 1617364, 1823836, 3061439, 6122878, 12245756, 21430073, 42860146, 85720292]

約数ペア:

[(1, 85720292), (2, 42860146), (4, 21430073), (7, 12245756), (14, 6122878), (28, 3061439), (47, 1823836), (53, 1617364), (94, 911918), (106, 808682), (188, 455959), (212, 404341), (329, 260548), (371, 231052), (658, 130274), (742, 115526), (1229, 69748), (1316, 65137), (1484, 57763), (2458, 34874), (2491, 34412), (4916, 17437), (4982, 17206), (8603, 9964)]