498511780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1917353}}^1$

素因数の和:1917375

約数の個数: 24

約数和(自身を含む): 1127404152

約数和(自身を除く): 628892372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1917353, 3834706, 7669412, 9586765, 19173530, 24925589, 38347060, 49851178, 99702356, 124627945, 249255890, 498511780]

約数ペア:

[(1, 498511780), (2, 249255890), (4, 124627945), (5, 99702356), (10, 49851178), (13, 38347060), (20, 24925589), (26, 19173530), (52, 9586765), (65, 7669412), (130, 3834706), (260, 1917353)]