890993378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 1473679872

約数和(自身を除く): 582686494

約数列:

[1, 2, 11, 22, 193, 223, 386, 446, 941, 1882, 2123, 2453, 4246, 4906, 10351, 20702, 43039, 86078, 181613, 209843, 363226, 419686, 473429, 946858, 1997743, 2308273, 3995486, 4616546, 40499699, 80999398, 445496689, 890993378]

約数ペア:

[(1, 890993378), (2, 445496689), (11, 80999398), (22, 40499699), (193, 4616546), (223, 3995486), (386, 2308273), (446, 1997743), (941, 946858), (1882, 473429), (2123, 419686), (2453, 363226), (4246, 209843), (4906, 181613), (10351, 86078), (20702, 43039)]