12802865

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 16706088

約数和(自身を除く): 3903223

約数列:

[1, 5, 19, 41, 95, 173, 205, 361, 779, 865, 1805, 3287, 3895, 7093, 14801, 16435, 35465, 62453, 74005, 134767, 312265, 673835, 2560573, 12802865]

約数ペア:

[(1, 12802865), (5, 2560573), (19, 673835), (41, 312265), (95, 134767), (173, 74005), (205, 62453), (361, 35465), (779, 16435), (865, 14801), (1805, 7093), (3287, 3895)]