398782013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{4229}}^1$

素因数の和:4964

約数の個数: 16

約数和(自身を含む): 480528000

約数和(自身を除く): 81745987

約数列:

[1, 7, 19, 133, 709, 4229, 4963, 13471, 29603, 80351, 94297, 562457, 2998361, 20988527, 56968859, 398782013]

約数ペア:

[(1, 398782013), (7, 56968859), (19, 20988527), (133, 2998361), (709, 562457), (4229, 94297), (4963, 80351), (13471, 29603)]