12720994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2386

約数の個数: 32

約数和(自身を含む): 23607360

約数和(自身を除く): 10886366

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2341, 2717, 4682, 5434, 25751, 30433, 44479, 51502, 60866, 88958, 334763, 489269, 578227, 669526, 978538, 1156454, 6360497, 12720994]

約数ペア:

[(1, 12720994), (2, 6360497), (11, 1156454), (13, 978538), (19, 669526), (22, 578227), (26, 489269), (38, 334763), (143, 88958), (209, 60866), (247, 51502), (286, 44479), (418, 30433), (494, 25751), (2341, 5434), (2717, 4682)]