489846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 1140480

約数和(自身を除く): 650634

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 109, 214, 218, 321, 327, 642, 654, 749, 763, 1498, 1526, 2247, 2289, 4494, 4578, 11663, 23326, 34989, 69978, 81641, 163282, 244923, 489846]

約数ペア:

[(1, 489846), (2, 244923), (3, 163282), (6, 81641), (7, 69978), (14, 34989), (21, 23326), (42, 11663), (107, 4578), (109, 4494), (214, 2289), (218, 2247), (321, 1526), (327, 1498), (642, 763), (654, 749)]