12721356

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{3643}}^1$

素因数の和:3750

約数の個数: 36

約数和(自身を含む): 32497192

約数和(自身を除く): 19775836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 3643, 7286, 10929, 14572, 21858, 32787, 43716, 65574, 131148, 353371, 706742, 1060113, 1413484, 2120226, 3180339, 4240452, 6360678, 12721356]

約数ペア:

[(1, 12721356), (2, 6360678), (3, 4240452), (4, 3180339), (6, 2120226), (9, 1413484), (12, 1060113), (18, 706742), (36, 353371), (97, 131148), (194, 65574), (291, 43716), (388, 32787), (582, 21858), (873, 14572), (1164, 10929), (1746, 7286), (3492, 3643)]