278310526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 461674080

約数和(自身を除く): 183363554

約数列:

[1, 2, 13, 26, 53, 106, 139, 278, 689, 1378, 1453, 1807, 2906, 3614, 7367, 14734, 18889, 37778, 77009, 95771, 154018, 191542, 201967, 403934, 1001117, 2002234, 2625571, 5251142, 10704251, 21408502, 139155263, 278310526]

約数ペア:

[(1, 278310526), (2, 139155263), (13, 21408502), (26, 10704251), (53, 5251142), (106, 2625571), (139, 2002234), (278, 1001117), (689, 403934), (1378, 201967), (1453, 191542), (1807, 154018), (2906, 95771), (3614, 77009), (7367, 37778), (14734, 18889)]