821243928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{7879}}^1$

素因数の和:8032

約数の個数: 64

約数和(自身を含む): 2121926400

約数和(自身を除く): 1300682472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 202, 258, 303, 344, 404, 516, 606, 808, 1032, 1212, 2424, 4343, 7879, 8686, 13029, 15758, 17372, 23637, 26058, 31516, 34744, 47274, 52116, 63032, 94548, 104232, 189096, 338797, 677594, 795779, 1016391, 1355188, 1591558, 2032782, 2387337, 2710376, 3183116, 4065564, 4774674, 6366232, 8131128, 9549348, 19098696, 34218497, 68436994, 102655491, 136873988, 205310982, 273747976, 410621964, 821243928]

約数ペア:

[(1, 821243928), (2, 410621964), (3, 273747976), (4, 205310982), (6, 136873988), (8, 102655491), (12, 68436994), (24, 34218497), (43, 19098696), (86, 9549348), (101, 8131128), (129, 6366232), (172, 4774674), (202, 4065564), (258, 3183116), (303, 2710376), (344, 2387337), (404, 2032782), (516, 1591558), (606, 1355188), (808, 1016391), (1032, 795779), (1212, 677594), (2424, 338797), (4343, 189096), (7879, 104232), (8686, 94548), (13029, 63032), (15758, 52116), (17372, 47274), (23637, 34744), (26058, 31516)]