2021836315

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 2514758400

約数和(自身を除く): 492922085

約数列:

[1, 5, 53, 131, 139, 265, 419, 655, 695, 2095, 6943, 7367, 18209, 22207, 34715, 36835, 54889, 58241, 91045, 111035, 274445, 291205, 965077, 2909117, 3086773, 4825385, 7629571, 14545585, 15433865, 38147855, 404367263, 2021836315]

約数ペア:

[(1, 2021836315), (5, 404367263), (53, 38147855), (131, 15433865), (139, 14545585), (265, 7629571), (419, 4825385), (655, 3086773), (695, 2909117), (2095, 965077), (6943, 291205), (7367, 274445), (18209, 111035), (22207, 91045), (34715, 58241), (36835, 54889)]