981078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 2363904

約数和(自身を除く): 1382826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 71, 94, 98, 141, 142, 147, 213, 282, 294, 329, 426, 497, 658, 987, 994, 1491, 1974, 2303, 2982, 3337, 3479, 4606, 6674, 6909, 6958, 10011, 10437, 13818, 20022, 20874, 23359, 46718, 70077, 140154, 163513, 327026, 490539, 981078]

約数ペア:

[(1, 981078), (2, 490539), (3, 327026), (6, 163513), (7, 140154), (14, 70077), (21, 46718), (42, 23359), (47, 20874), (49, 20022), (71, 13818), (94, 10437), (98, 10011), (141, 6958), (142, 6909), (147, 6674), (213, 4606), (282, 3479), (294, 3337), (329, 2982), (426, 2303), (497, 1974), (658, 1491), (987, 994)]