12711978

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{599}}^1$

素因数の和:744

約数の個数: 40

約数和(自身を含む): 28749600

約数和(自身を除く): 16037622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 599, 786, 1179, 1198, 1797, 2358, 3537, 3594, 5391, 7074, 10611, 10782, 16173, 21222, 32346, 48519, 78469, 97038, 156938, 235407, 470814, 706221, 1412442, 2118663, 4237326, 6355989, 12711978]

約数ペア:

[(1, 12711978), (2, 6355989), (3, 4237326), (6, 2118663), (9, 1412442), (18, 706221), (27, 470814), (54, 235407), (81, 156938), (131, 97038), (162, 78469), (262, 48519), (393, 32346), (599, 21222), (786, 16173), (1179, 10782), (1198, 10611), (1797, 7074), (2358, 5391), (3537, 3594)]