257029522028

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{571}}^1\times {\mathrm{809603}}^1$

素因数の和:810317

約数の個数: 24

約数和(自身を含む): 453831618240

約数和(自身を除く): 196802096212

約数列:

[1, 2, 4, 139, 278, 556, 571, 1142, 2284, 79369, 158738, 317476, 809603, 1619206, 3238412, 112534817, 225069634, 450139268, 462283313, 924566626, 1849133252, 64257380507, 128514761014, 257029522028]

約数ペア:

[(1, 257029522028), (2, 128514761014), (4, 64257380507), (139, 1849133252), (278, 924566626), (556, 462283313), (571, 450139268), (1142, 225069634), (2284, 112534817), (79369, 3238412), (158738, 1619206), (317476, 809603)]