1280803106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{390727}}^1$

素因数の和:390889

約数の個数: 16

約数和(自身を含む): 2109931200

約数和(自身を除く): 829128094

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 390727, 781454, 4297997, 8595994, 58218323, 116436646, 640401553, 1280803106]

約数ペア:

[(1, 1280803106), (2, 640401553), (11, 116436646), (22, 58218323), (149, 8595994), (298, 4297997), (1639, 781454), (3278, 390727)]