64866475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 93074400

約数和(自身を除く): 28207925

約数列:

[1, 5, 17, 19, 25, 29, 85, 95, 145, 277, 323, 425, 475, 493, 551, 725, 1385, 1615, 2465, 2755, 4709, 5263, 6925, 8033, 8075, 9367, 12325, 13775, 23545, 26315, 40165, 46835, 89471, 117725, 131575, 136561, 152627, 200825, 234175, 447355, 682805, 763135, 2236775, 2594659, 3414025, 3815675, 12973295, 64866475]

約数ペア:

[(1, 64866475), (5, 12973295), (17, 3815675), (19, 3414025), (25, 2594659), (29, 2236775), (85, 763135), (95, 682805), (145, 447355), (277, 234175), (323, 200825), (425, 152627), (475, 136561), (493, 131575), (551, 117725), (725, 89471), (1385, 46835), (1615, 40165), (2465, 26315), (2755, 23545), (4709, 13775), (5263, 12325), (6925, 9367), (8033, 8075)]