287820286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{80803}}^1$

素因数の和:80955

約数の個数: 16

約数和(自身を含む): 468339984

約数和(自身を除く): 180519698

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 80803, 161606, 1050439, 2100878, 11070011, 22140022, 143910143, 287820286]

約数ペア:

[(1, 287820286), (2, 143910143), (13, 22140022), (26, 11070011), (137, 2100878), (274, 1050439), (1781, 161606), (3562, 80803)]