209486563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 270464544

約数和(自身を除く): 60977981

約数列:

[1, 11, 13, 17, 37, 137, 143, 187, 221, 289, 407, 481, 629, 1507, 1781, 2329, 2431, 3179, 3757, 5069, 5291, 6919, 8177, 10693, 19591, 25619, 30277, 39593, 41327, 55759, 65897, 86173, 89947, 117623, 139009, 333047, 435523, 514709, 724867, 947903, 1120249, 1464941, 1529099, 5661799, 12322739, 16114351, 19044233, 209486563]

約数ペア:

[(1, 209486563), (11, 19044233), (13, 16114351), (17, 12322739), (37, 5661799), (137, 1529099), (143, 1464941), (187, 1120249), (221, 947903), (289, 724867), (407, 514709), (481, 435523), (629, 333047), (1507, 139009), (1781, 117623), (2329, 89947), (2431, 86173), (3179, 65897), (3757, 55759), (5069, 41327), (5291, 39593), (6919, 30277), (8177, 25619), (10693, 19591)]