208357886

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{2467}}^1$

素因数の和:2840

約数の個数: 24

約数和(自身を含む): 344656200

約数和(自身を除く): 136298314

約数列:

[1, 2, 11, 22, 121, 242, 349, 698, 2467, 3839, 4934, 7678, 27137, 42229, 54274, 84458, 298507, 597014, 860983, 1721966, 9470813, 18941626, 104178943, 208357886]

約数ペア:

[(1, 208357886), (2, 104178943), (11, 18941626), (22, 9470813), (121, 1721966), (242, 860983), (349, 597014), (698, 298507), (2467, 84458), (3839, 54274), (4934, 42229), (7678, 27137)]