128554391

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 168116256

約数和(自身を除く): 39561865

約数列:

[1, 7, 17, 37, 43, 49, 97, 119, 259, 301, 629, 679, 731, 833, 1591, 1649, 1813, 2107, 3589, 4171, 4403, 4753, 5117, 11137, 11543, 25123, 27047, 29197, 30821, 35819, 61013, 70907, 77959, 80801, 154327, 175861, 189329, 204379, 427091, 496349, 1080289, 1325303, 2623559, 2989637, 3474443, 7562023, 18364913, 128554391]

約数ペア:

[(1, 128554391), (7, 18364913), (17, 7562023), (37, 3474443), (43, 2989637), (49, 2623559), (97, 1325303), (119, 1080289), (259, 496349), (301, 427091), (629, 204379), (679, 189329), (731, 175861), (833, 154327), (1591, 80801), (1649, 77959), (1813, 70907), (2107, 61013), (3589, 35819), (4171, 30821), (4403, 29197), (4753, 27047), (5117, 25123), (11137, 11543)]