690673658

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 1071595008

約数和(自身を除く): 380921350

約数列:

[1, 2, 71, 107, 131, 142, 214, 262, 347, 694, 7597, 9301, 14017, 15194, 18602, 24637, 28034, 37129, 45457, 49274, 74258, 90914, 995207, 1990414, 2636159, 3227447, 4863899, 5272318, 6454894, 9727798, 345336829, 690673658]

約数ペア:

[(1, 690673658), (2, 345336829), (71, 9727798), (107, 6454894), (131, 5272318), (142, 4863899), (214, 3227447), (262, 2636159), (347, 1990414), (694, 995207), (7597, 90914), (9301, 74258), (14017, 49274), (15194, 45457), (18602, 37129), (24637, 28034)]