340432652

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{639911}}^1$

素因数の和:639941

約数の個数: 24

約数和(自身を含む): 716701440

約数和(自身を除く): 376268788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 639911, 1279822, 2559644, 4479377, 8958754, 12158309, 17917508, 24316618, 48633236, 85108163, 170216326, 340432652]

約数ペア:

[(1, 340432652), (2, 170216326), (4, 85108163), (7, 48633236), (14, 24316618), (19, 17917508), (28, 12158309), (38, 8958754), (76, 4479377), (133, 2559644), (266, 1279822), (532, 639911)]