665996898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223339}}^1$

素因数の和:223422

約数の個数: 32

約数和(自身を含む): 1543726080

約数和(自身を除く): 877729182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 223339, 446678, 670017, 1340034, 1563373, 3126746, 4690119, 9380238, 15857069, 31714138, 47571207, 95142414, 110999483, 221998966, 332998449, 665996898]

約数ペア:

[(1, 665996898), (2, 332998449), (3, 221998966), (6, 110999483), (7, 95142414), (14, 47571207), (21, 31714138), (42, 15857069), (71, 9380238), (142, 4690119), (213, 3126746), (426, 1563373), (497, 1340034), (994, 670017), (1491, 446678), (2982, 223339)]