1221736964

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{400307}}^1$

素因数の和:400427

約数の個数: 24

約数和(自身を含む): 2465897280

約数和(自身を除く): 1244160316

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 400307, 800614, 1601228, 2802149, 5604298, 11208596, 43633463, 87266926, 174533852, 305434241, 610868482, 1221736964]

約数ペア:

[(1, 1221736964), (2, 610868482), (4, 305434241), (7, 174533852), (14, 87266926), (28, 43633463), (109, 11208596), (218, 5604298), (436, 2802149), (763, 1601228), (1526, 800614), (3052, 400307)]