218339716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{410413}}^1$

素因数の和:410443

約数の個数: 24

約数和(自身を含む): 459663680

約数和(自身を除く): 241323964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 410413, 820826, 1641652, 2872891, 5745782, 7797847, 11491564, 15595694, 31191388, 54584929, 109169858, 218339716]

約数ペア:

[(1, 218339716), (2, 109169858), (4, 54584929), (7, 31191388), (14, 15595694), (19, 11491564), (28, 7797847), (38, 5745782), (76, 2872891), (133, 1641652), (266, 820826), (532, 410413)]