821413084

素因数分解:

$2^2\times {\mathrm{503}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 1444843008

約数和(自身を除く): 623429924

約数列:

[1, 2, 4, 503, 631, 647, 1006, 1262, 1294, 2012, 2524, 2588, 317393, 325441, 408257, 634786, 650882, 816514, 1269572, 1301764, 1633028, 205353271, 410706542, 821413084]

約数ペア:

[(1, 821413084), (2, 410706542), (4, 205353271), (503, 1633028), (631, 1301764), (647, 1269572), (1006, 816514), (1262, 650882), (1294, 634786), (2012, 408257), (2524, 325441), (2588, 317393)]