209944.0000000

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 20680704

約数和(自身を除く): 12539802

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 263, 402, 462, 469, 526, 737, 789, 938, 1407, 1474, 1578, 1841, 2211, 2814, 2893, 3682, 4422, 5159, 5523, 5786, 8679, 10318, 11046, 15477, 17358, 17621, 20251, 30954, 35242, 40502, 52863, 60753, 105726, 121506, 123347, 193831, 246694, 370041, 387662, 581493, 740082, 1162986, 1356817, 2713634, 4070451, 8140902]

約数ペア:

[(1, 8140902), (2, 4070451), (3, 2713634), (6, 1356817), (7, 1162986), (11, 740082), (14, 581493), (21, 387662), (22, 370041), (33, 246694), (42, 193831), (66, 123347), (67, 121506), (77, 105726), (134, 60753), (154, 52863), (201, 40502), (231, 35242), (263, 30954), (402, 20251), (462, 17621), (469, 17358), (526, 15477), (737, 11046), (789, 10318), (938, 8679), (1407, 5786), (1474, 5523), (1578, 5159), (1841, 4422), (2211, 3682), (2814, 2893)]