64420678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1217}}^1$

素因数の和:1444

約数の個数: 32

約数和(自身を含む): 116928000

約数和(自身を除く): 52507322

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 1217, 1393, 2434, 2786, 3781, 7562, 8519, 17038, 23123, 26467, 46246, 52934, 161861, 242183, 323722, 484366, 1695281, 3390562, 4601477, 9202954, 32210339, 64420678]

約数ペア:

[(1, 64420678), (2, 32210339), (7, 9202954), (14, 4601477), (19, 3390562), (38, 1695281), (133, 484366), (199, 323722), (266, 242183), (398, 161861), (1217, 52934), (1393, 46246), (2434, 26467), (2786, 23123), (3781, 17038), (7562, 8519)]