987981202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{219649}}^1$

素因数の和:219837

約数の個数: 16

約数和(自身を含む): 1605202200

約数和(自身を除く): 617220998

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 219649, 439298, 2855437, 5710874, 37999277, 75998554, 493990601, 987981202]

約数ペア:

[(1, 987981202), (2, 493990601), (13, 75998554), (26, 37999277), (173, 5710874), (346, 2855437), (2249, 439298), (4498, 219649)]