201561668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{654421}}^1$

素因数の和:654443

約数の個数: 24

約数和(自身を含む): 439771584

約数和(自身を除く): 238209916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 654421, 1308842, 2617684, 4580947, 7198631, 9161894, 14397262, 18323788, 28794524, 50390417, 100780834, 201561668]

約数ペア:

[(1, 201561668), (2, 100780834), (4, 50390417), (7, 28794524), (11, 18323788), (14, 14397262), (22, 9161894), (28, 7198631), (44, 4580947), (77, 2617684), (154, 1308842), (308, 654421)]