7821928

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 15240960

約数和(自身を除く): 7419032

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 293, 376, 568, 586, 1172, 2344, 3337, 6674, 13348, 13771, 20803, 26696, 27542, 41606, 55084, 83212, 110168, 166424, 977741, 1955482, 3910964, 7821928]

約数ペア:

[(1, 7821928), (2, 3910964), (4, 1955482), (8, 977741), (47, 166424), (71, 110168), (94, 83212), (142, 55084), (188, 41606), (284, 27542), (293, 26696), (376, 20803), (568, 13771), (586, 13348), (1172, 6674), (2344, 3337)]