809780418

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{33349}}^1$

素因数の和:33447

約数の個数: 48

約数和(自身を含む): 1872936000

約数和(自身を除く): 1063155582

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 8094, 12141, 24282, 33349, 66698, 100047, 200094, 300141, 600282, 633631, 1267262, 1900893, 2367779, 3801786, 4735558, 5702679, 7103337, 11405358, 14206674, 21310011, 42620022, 44987801, 89975602, 134963403, 269926806, 404890209, 809780418]

約数ペア:

[(1, 809780418), (2, 404890209), (3, 269926806), (6, 134963403), (9, 89975602), (18, 44987801), (19, 42620022), (38, 21310011), (57, 14206674), (71, 11405358), (114, 7103337), (142, 5702679), (171, 4735558), (213, 3801786), (342, 2367779), (426, 1900893), (639, 1267262), (1278, 633631), (1349, 600282), (2698, 300141), (4047, 200094), (8094, 100047), (12141, 66698), (24282, 33349)]