640426754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1712371}}^1$

素因数の和:1712401

約数の個数: 16

約数和(自身を含む): 1109617056

約数和(自身を除く): 469190302

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 1712371, 3424742, 18836081, 29110307, 37672162, 58220614, 320213377, 640426754]

約数ペア:

[(1, 640426754), (2, 320213377), (11, 58220614), (17, 37672162), (22, 29110307), (34, 18836081), (187, 3424742), (374, 1712371)]