667405264

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{2543}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 1324915200

約数和(自身を除く): 657509936

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 349, 376, 698, 752, 1396, 2543, 2792, 5086, 5584, 10172, 16403, 20344, 32806, 40688, 65612, 119521, 131224, 239042, 262448, 478084, 887507, 956168, 1775014, 1912336, 3550028, 7100056, 14200112, 41712829, 83425658, 166851316, 333702632, 667405264]

約数ペア:

[(1, 667405264), (2, 333702632), (4, 166851316), (8, 83425658), (16, 41712829), (47, 14200112), (94, 7100056), (188, 3550028), (349, 1912336), (376, 1775014), (698, 956168), (752, 887507), (1396, 478084), (2543, 262448), (2792, 239042), (5086, 131224), (5584, 119521), (10172, 65612), (16403, 40688), (20344, 32806)]