31271248

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{20149}}^1$

素因数の和:20254

約数の個数: 20

約数和(自身を含む): 61215700

約数和(自身を除く): 29944452

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 20149, 40298, 80596, 161192, 322384, 1954453, 3908906, 7817812, 15635624, 31271248]

約数ペア:

[(1, 31271248), (2, 15635624), (4, 7817812), (8, 3908906), (16, 1954453), (97, 322384), (194, 161192), (388, 80596), (776, 40298), (1552, 20149)]