81579982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 137249280

約数和(自身を除く): 55669298

約数列:

[1, 2, 11, 22, 73, 79, 146, 158, 643, 803, 869, 1286, 1606, 1738, 5767, 7073, 11534, 14146, 46939, 50797, 63437, 93878, 101594, 126874, 516329, 558767, 1032658, 1117534, 3708181, 7416362, 40789991, 81579982]

約数ペア:

[(1, 81579982), (2, 40789991), (11, 7416362), (22, 3708181), (73, 1117534), (79, 1032658), (146, 558767), (158, 516329), (643, 126874), (803, 101594), (869, 93878), (1286, 63437), (1606, 50797), (1738, 46939), (5767, 14146), (7073, 11534)]